Solving Equations
Solving Inequalities
Absolute Value
Word Problems
Units 1 & 2 Review
100

Solve for n:

8n+7=31

n=3

100

Solve the following inequality:

4x+1-1>=-8

x>=-2

100

Solve the following equation:

abs(-6x)=30

x=5

and

x=-5

100
In South Carolina, a cashier makes the federal minimum wage, $7.25 an hour. Write an equation that can be used to find the money, m, the cashier earns for h hours of work.

m=7.25h

100

The graph below shows a relationship between x and y. Write the x intercepts of the graph in as coordinates.


(-1,0)

(0,0)

(2,0)

(4,0)

200

Solve the following equation:

-10=10(k-9)

k=8

200

Solve the following inequality:

2p-4p<=-2

p>=1

200

abs(4n+32)=56

n=6

and

n=-22

200

The delivery charge for a local pizza place on Uber Eats is $2.99. A small pizza there costs $6.99. Write an equation that can be used to find the total cost, c, of ordering p small pizzas from the pizza place.

c=2.99+6.99p

200

Evaluate:

f(x)=-7x+10

when

x=2

f(2)=-4

300

Solve the following equation:

-3(4r-8)=-36

r=5

300

Solve the following inequality:

-2(b+1)+4<10

b> -4

300

Solve the following inequality:

abs(m-2)<8

m<10

and

m> -6

300

A card trick magician wants to make at least $1500 at one of his shows. He knows he will earn at least $250 selling his custom made trick card sets. If the magician sells tickets to his show for $10, write an equation that can be used to find t, the minimum number of tickets he must sell to earn $1500. Then, solve for t.

*Answer must include equation AND solution*

1500=10t+250

and

t = 125

300

The heights, in inches, of plants in a greenhouse are listed below. If the plant that is 14 inches tall grows an additional 2 inches, how will the mean and median heights be affected?

Heights in inches:

6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 10, 10, 14

The mean height will increase, the median height will stay the same.

400

Solve the following equation:

-3(1+6r)=14-r

r=-1

400

Solve the following inequality:

-50<7k+6<-8

-8<k<-2

400

Solve the inequality:

abs(x-2)-5<-2

x> -1

and

x<5

400

Rachel, a political consultant, earns a flat rate of $50 for every campaign event she hosts, plus an additional $5 per person she gets contact information from. The money she earns for a campaign event is represented by the equation

m=50+5p

 where represents the money she earns, and p is the number of people she gets contact information from. Rewrite the equation to better calculate p, the number of people she gets contact information from.

p=(m-50)/5

400

The following table shows the responses in a recent survey about candy preferences. Each respondent was asked what their favorite type of candy. 

A female respondent is selected at random. What is the probability that she prefers sour candy?


20%

500

Solve the following equation:

-16+5n=-7(-6+8n)+3

n=1

500

Solve the following inequality:

-33<=-7n-12<-26

2<n<=3

500

Solve the following inequality:

abs(-3r+6)+7<=18

r>=-4

and

r<=8

500

A basketball team needs to earn at least $1000 at their bake sale to pay for new uniforms and a bus to an important tournament. They have spent $165 on ingredients to make cookies and brownies for the sale. They plan to sell the baked goods for $2 a piece.

Write an INEQUALITY that can be used to find b, the number of baked goods they can sell and still meet their earnings goal. Then, solve your inequality.

2b-165>=1000

and

b>=583

500

The following table shows the heights of three different plants over a six week period. Which plant(s) show LINEAR growth?

Plant #1 and Plant #3