Linear Functions

Writing Equations

100

Write the equation in slope-int. form when

m = -4

b = 1

y = -4x + 1

200

Write the equation in slope-int. form when,

m = -3/4

(0, 8)

y = -3/4x + 8

300

Rewrite in Standard Form,

y = 2x + 3

2x - y = -3

400

Rewrite in Standard Form,

y = 4/5x - 8

4x - 5y = 40

500

Write the equation passing through the given points in point-slope form.

(5, 2)  &  (3, -2) 

y - 2 = 2(x - 5)

or

y + 2 = 2(x - 3)

Graphing Equations

100

Sketch the graph of 

y = 1x + 1

Show Dr. Raines your sketch.

200

Sketch the graph of

4x - 3y = -12

Show Dr. Raines your sketch

300

Solve the system of equations by graphing

y = 3x - 2

y = -3x + 4

(1, 1)

400

Solve the system of equations by graphing

y = -3/5x + 3

3x - 5y = -15

(0, 3)

500

Solve the system of equations by graphing

y = x + 5

x - y = 4

no solution

Solve by substitution

100

 y = - 2x -1

-4x + 6y = 42

(-3, 5)

200

2x − 3y = −1 

y = x − 1

(4, 3)

300

y = 5x − 7 

−3x − 2y = −12

(2, 3)

400

−7x − 2y = −13 

x − 2y = 11

(3, -4)

500

x + 3y = 1 

−3x − 3y = −15

(7, -2)

Solve by Elimination

100

4x + 8y = 20 

−4x + 2y = −30

(7, -1)

200

−6x + 5y = 1 

6x + 4y = −10

(-1, -1)

300

−2x − 9y = −25 

−4x − 9y = −23

(-1, 3)

400

7x + 2y = 24 

8x + 2y = 30

(6, -9)

500

−x − 5y − 5z = 2 

4x − 5y + 4z = 19 

x + 5y − z = −20

(-2, -3, 3)

Not College Prep

100

In basketball how many players are on the court at the same time?

10

200

What is the largest mammal?

Blue whale

300

In what city can you find the Eiffel Tower?

Paris

400

What iconic company did Steve Jobs start?

Apple

500

What galaxy do we live in?

Milky Way