Solution 10395: Calculating a Linear Regression Using the TI-85.
...] [3].4) Press [2nd] [F1] [ENTER] [ENTER].5) Press [F3] to display the results for a linear regression. The calculator will display the form of the equation (y=a+bx) and then list the values for the two coefficients (a and b). It will also list a value for corr. This is the correlation coeffic...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10395
Solution 10371: Calculating and Graphing a Linear Regression on the TI-82.
...o the TI-82:1) Enter STAT edit mode by pressing [STAT] [1]. 2) Enter the data in the L1 and L2 lists, pressing enter after each entry.3) Press [2nd] [QUIT] to leave the editor.Calculate the linear regression (ax+b):1) Enter the STAT mode again by pressing [STAT].2) Select CALC.3) Press [5] to sel...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10371
Solution 11707: Calculating Linear Regressions on the TI-89 Family, TI-92 Family, and Voyage 200™ Graphing Calculators.
... c1 (Indicates the x variables are in c1) • Press the down arrow, then input c2 (Indicates the y variables are in c2) • To graph the line, select an equation number after Store RegEQ to... • Press [ENTER][ENTER] The dialog box with the linear regression variables will be displayed. Please see ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11707
Solution 11569: Algorithm Used for Finding the Determinant of a Square Matrix on the TI-81, TI-82, TI-83, TI-85, or TI-86.
...ning ones along the main diagonal and an upper triangular matrix, U. That is, A = L*U To illustrate this point, consider the matrix, A = [[ 2,-1,0][4,3,-3][8,-14,5]] which can also be expressed as: A = [[1,0,0][2,1,0][4,-2,1]]*[[2,-1,0][0,5,-3][0,0,-1]] Hence, L a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11569
Solution 12323: Calculating the Linear Regression on the TI-30X IIB / TI-30X IIS.
...NTER]6) Repeat steps 3 and 4 until all the above data points are entered. Users must press [ENTER] or the down arrow to save the last data point or FRQ value entered. If users add or delete data points, the TI-30X IIS/B or the TI-34 Explorer Plus automatically reorders the list.7) When all points...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12323
Solution 34674: Maximizing a Linear Function with the Inequality Graphing Application on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
...lication. Example: Maximize the profit, P= 3X+2Y, for quantities of two products, X and Y, given the following constraints on materials and time: X30, Y30 Y+X≥10 3X+Y≥15 Solution: • Press [APPS] to display the list of applications on the calculator. • Select Inequal (or Inequalz). The Inequa...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34674
Solution 34672: Graphing the Fibonacci Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... to select 6:ZStandard. 8) To view the table press [2nd] [window] to setup the table options. 9) Press [1] [enter] to set the table to start at 1. 10) Press [2nd] [graph] to see the table of n and u(n). Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional information. La...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34672
Solution 12255: Converting Degrees/Minutes/Seconds (DMS) to Decimal Format on the TI-30X IIS/B and TI-30XS/TI-30XB MultiView™ Scientific Calculators.
...2, then press the [° ' "] key. 6) Select the " symbol, then press [=]. 7) Press [=]. This will convert DMS to a decimal format. The decimal form is equal to 78.20055556. To convert this decimal back to DMS: 1) With the decimal still displayed as the last answer, press the [° ' "] key. 2) Move t...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12255
Solution 34777: Graphing a Non-Recursive Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
Solution 34777: Graphing a Non-Recursive Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators. global Solution 34777: Graphing a Non-Recursive Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators. website ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34777
Genetic Probability
Use the SciTools App to simulate a Punnett square. Make predictions about genetic crosses. Learn about the following concepts; genes, alleles, dominant alleles, recessive alleles, homozygous individuals, heterozygous individuals, phenotypes, and genotypes.https://education.ti.com/en/activity/detail/genetic-probability
Practice with Chemical Word Equations
In this activity, students will learn about chemical word equations: what they are, how they are written and key terms (i.e., reactants and products) associated with word equations.https://education.ti.com/en/activity/detail/practice-with-chemical-word-equations
Mole Activity
This activity is intended to help students gain an understanding of the mole concept. By determining the molar mass of the element at each station, students will be able to identify the element. Students will learn that the molar mass of each element is unique and different, although the number...https://education.ti.com/en/activity/detail/mole-activity
Investigating of pH and Conductivity during a titration of a diprotic acid
In this investigation sulfuric acid will be added to a solution of Ba(OH)2 using a pH probe and a conductivity probe. From this process the pH of first and second equivalence points will be determined along with mapping the conductivity during the titration process.https://education.ti.com/en/activity/detail/investigating-of-ph-and-conductivity-during-a-titration-of-a-diprotic-acid
Gas Lab
... On day two and three they practice the lab. On day four we discuss the lab and all the calculations. On day 5 students team up and complete a lab quiz. Their instructor fills their balloon with an unknown pure gas from a storage tank. Students are awarded points based on how close they repor...https://education.ti.com/en/activity/detail/gas-lab
Vernier - pH
Students use a pH sensor to measure the pH level of water in a stream or lake. They examine how air pollutants like sulphur dioxide, nitrogen oxides, and carbon dioxide cause acid rain, which affects the pH of water bodies and aquatic organisms.https://education.ti.com/en/activity/detail/vernier--ph
Titration Experiment
This activity is a fast and safe microscale experiment which allows students to quickly determine the molariy of three weak acids (vinegar, soda, and citric acid). Since the process involves a monoprotic, diprotic, and a triprotic acid, students recieve good exposure to the stoichiometry involve...https://education.ti.com/en/activity/detail/titration-experiment
Vernier - Conductimetric Titration and Gravimetric Determination of a Precipitate
Students use a Conductivity Probe to measure change in conductivity during a chemical reaction and determine the equivalence point of the reaction They determine the mass of the product and calculate the molar concentration of the reactant solution.https://education.ti.com/en/activity/detail/vernier--conductimetric-titration-and-gravimetric-determination-of-a-precipitate
Diffusion and Equilibrium
Students will observe how equilibrium is reached when salt is added to water.https://education.ti.com/en/activity/detail/diffusion-and-equilibrium
Call it ...Dominant or Recessive
In this activity, students simulate a Punnett square of a cross between two heterozygous individuals and produce a histogram. They compare actual and expected results of genetic crosses.https://education.ti.com/en/activity/detail/call-it----dominant-or-recessive
Diprotic Acid Lab and Easy Data
Maleic Acid gives an excellent diprotic acid titration curve showing both inflection points clearly for calculation of molecular weight.https://education.ti.com/en/activity/detail/diprotic-acid-lab-and-easy-data
Earthquakes
This StudyCards(tm) stack enables students to review facts and terms associated with earthquakes.https://education.ti.com/en/activity/detail/earthquakes
Projectile Motion Simulation
Students can investigate the effects of changing various initial quantities on the motion of a projectile. The simulation allows for firing a projectile over or up onto a cliff or over level ground. The results are displayed both graphically and mathematically.https://education.ti.com/en/activity/detail/projectile-motion-simulation
I Am Your Density
Students will model data using a linear equation, interpret the slope and intercept values from a linear model, and identify a characteristic property of a substance.https://education.ti.com/en/activity/detail/i-am-your-density
Curve Ball
In this activity, students' will create a Height-Time plot for a bouncing ball and use a quadratic equation to describe the ball's motion.https://education.ti.com/en/activity/detail/curve-ball
Solar Cookers and Easy Data
Students use a TI-84, Easy Temp and Easy Data to measure the quality of their solar cookers. Hot dogs are heated under the May sunshine after students design, build and test their own solar cookers.https://education.ti.com/en/activity/detail/solar-cookers-and-easy-data