Midterm Review

Solving Equations

100

-45= -4x + 11

x = 14

200

7 = 5 - 1/3 m

m = -6

300

19 - 2(3w - 5) = 15

w = 7/3

400

-9(n+4) = 5n - (4n+36)

all real numbers

500

6 - 4(3p-2) = 6(1-2p) - 1

no solution

Solving Inequalities

100

Solve and graph

3x-14 < -17

x < - 1

200

2a - 21 < 6a -1

a > -5

300

-2(4m+9)>6-14m

m > 4

400

1-(5k+4)>24-2(k+3)

k<-7

500

7<2a+7<23

0<a<8

Relations and Functions

100

Function?

{(8,2),(4,-1),(0,-1),(-4,2)}

yes

200

If f(x)=-2x+7, find f(8)

f(8)=-9

300

if f(x)=2x²+3x-19, find f(-4)

f(-4)=1

400

Find the range of the function f(x)=x²-6x if the domain is {-7, -2, 1}

{-5, 16, 91}

500

If the following relation is a function, which ordered pair could be the missing point?

[(-4,3),(5,-1),(0,2),(x,y)}

a. (5,7)                     b. (1,-3)

c. (0,-6)                    d. (-4,0)

 B. (1,-3)

Graphing Linear Equations

100

Find the slope of (2,-1) and (-4,-3)

2/3

200

Find the slope of (5,7) and (5,11)

undefined

300

Identify the slope and y - intercept of 

2x+2y=-10

Slope = -1

y-int = -5

400

Identify the slope and y intercept of 

x-3y=-6

slope = 1/3

y-int = 2

500

Identify the x and y intercepts of 

4x-y=8

x=2

y=-8

Writing Linear Equations

100

Write in slope intercept form

slope = -3

y-int = 4

y=-3x+4

200

Writing a linear equation given a point and a slope, write in slope intercept form.

slope: -4

(-2,9)

y=-4x+1

300

Writing a linear equation given two points, write in slope intercept form.

(-3,7)

(6,-8)

y=-5/3 x +2

400

Write an equation of a line in slope intercept form that is parallel to the line 3x-2y=8

y = 3/2 x + something

500

Write the equation of the line that is perpendicular to the line y=3x-4 and passes through the point (-6,1)

y = -1/3 x - 1