Algebra 2A Midterm Review

Linear Regression & Graphing

100

What do you start a linear regression equation with?

y =

200

After you type in your linear regression list, what 3 keys do you press on the calculator?

4, 1, 3

300

Review #2, Question 10b

(3,1)

400

Review #2 Question 16a "Write the linear regression equation that represents this set of data, rounding all coefficients to the nearest hundredth.

y= .88x +5.87

500

Review #2 Question 16b Using the equation from 16a, find the projected test grade, to the nearest integer, for a student with a homework grade of 89.

y = 84

Average Rate of Change

100

What is the name of the formula that you use for Average Rate of Change?

Slope

200

State the slope formula.

m = (y₂-y₁)/(x₂-x₁)

300

When given the average rate of change interval, is the interval the x values or the y values?

x- values

400

Review #1, Question 11

m= -3 

500

Review #2, Question 11

m = 4

Functions

100

Review #2, Question #3, Answer and explain answer.

(3, -6) , flip the points

200

Review #2, Question 2

Choice 2 Left 9 down 5

300

Review #2, Question 12

x = 5

400

Review #2, Question 15

8

500

Referring to the table and the graph on Review 2, Question 15 evaluate g(-2) - f(4)

-12

Factoring/Finding Roots

100

Review #1, Question 9 What steps do you do to get your answer on the calculator?

Graph, find your zeros (menu 6, 1), highlight to find your answers.

200

Review 2, Question 9

4) {3/2, -10}

300

Review 2, Question #8

3) (3x+1) (x+5)

400

Review #1, Question #8

2) (5x + 4) (x - 1)

500

Review #2, Question 14

25(x+5)(x-5)

Miscellaneous

100

Review #2, Question 1

3) -2< x< 2

200

Review #2, Question 5

Choice 4

300

Review #2, Question 6

Choice 2

400

Review #2, Question 13

x³ - 1x² - 34x - 56

500

Review #2, Question 7

1) -11x²+15x+10