Term 1 Review- CP Algebra 2

Functions and Relations

100

The domain of a function is the set of all ___ values.

x

200

Determine if the relation is a function.

{(0,3) , (0,4) , (0,5)}

No- 0 Repeats in the domain

300

What is the range of the following relation?

{(1,3), (4,7), (5,1), (6,-2)}

{3,7,1,-2}

400

Evaluate f(3) for f(x)=x²-4

f(3)=5

500

Evaluate f(-7) for f(x)=-x²+2x-4

f(-7)=-57

Finding Intercepts

100

What is the x-coordinate of the point where the graph intersects the x axis called?

What is the x intercept

200

Find the x intercept: 2x- 4y=8

x=4

300

Find the x and y intercepts of 3x+4y=24

x=8 and y=6

400

Find the x and y intercepts of 3x- 2y=12

x=4 and y=-6

500

Find the x and y intercepts of 2x + 4y=8. 

x=4 and y=-2

Slope

100

What is the slope of a horizontal line?

Zero

200

What is the slope of a vertical line?

Undefined

300

Find the slope of (4,-2) and(-1,2)

What is -4/5

400

Find the slope of (20,3000) and (60,2000)

What is -25

500

Find the slope of the equation: 6x + 5y=30

What is 6/5

Slope-Intercept Form

100

What is slope intercept form?

y=mx+b

200

Write the equation in slope intercept form: slope=0, y intercept =-5

y=-5

300

Write the equation in slope intercept form: slope=4 and (2,5) is on the line

y=4x-3

400

Graph the equation: y= 4x-3

See graph

500

Write the equation in slope intercept form and graph: 3x+2y=8

y=-3/2+4 See graph

Systems of Equations

100

How many solutions do parallel lines have? 

None! 

200

What lines have the same slope?

parallel

300

How many solutions do the following lines have? 

3x-y=6

3x-y=6

Infinite

400

Solve the system.

y=-2x+5

y=1/4x-4

(4,-2)

500

Solve

y=2/3x+5

-2x+3y=15

Infinite Solutions