Writing Linear Functions

Slope and Y-Intercept

100

What is the equation for a linear function?

y = mx + b

200

Textbook page 179, Question 3

y = 2x + 9

300

Textbook page 179, Question 4

y = 5

400

Textbook page 179, Question 8

y = 3/4x - 6

500

Textbook page 179, Question 10

y = -1/4x + 3

Linear Functions with 2 points

100

The Y-Intercept occurs when x is what value?

0

200

Textbook page 179, Question 13

y = -3x + 10

300

Textbook page 179, Question 15

y = -4

400

Textbook page 185, Question 15

y = -2x + 16

500

Textbook page 185, Question 18

y = 5x + 15

Functions of (x)

100

When given a question such as f(4) = 6, what do 4 and 6 represent?

The x and y coordinates.

200

Textbook page 179, Question 19

f(x) = x + 2

300

Textbook page 179, Question 21

f(x) = -1/4x - 2

400

Textbook page 185, Question 24

f(x) = 4

500

Textbook page 185, Question 26

f(x) = -3/2x - 7/2

Word Problems

100

Textbook page 180, Question 30a

c = 75t + 50

200

Textbook page 186, Question 34a

Yes, the amounts increase at a constant rate.

300

Textbook page 186, Question 33b

$865

400

Textbook page 179, Question 28

The x coordinates were not subtracted in the correct order.

500

Textbook page 186, Question 40b

Sibling B, $25 per week.

Mixed Review

100

Textbook page 16, Question 13

v = 3

200

Textbook page 23, Question 12

t = 6

300

Textbook page 77, Question 19

d > -2

400

Textbook page 141, Question 9

m = 1/2

500

Textbook page 85, Question 4

7 < x < 14