College Math - Benchmark 2 Review

Ab. Value Equations & Ineq.

100

Solve for x.

Remember Absolute Value Equations should have 2 answers!

abs(2x+9)=15

x=-12 and x=3

200

Solve for x.

Remember Absolute Value Equations should have 2 answers!

abs(8-4x)=16

x=-2 and x=6

300

Solve.

abs(2w-1)<11

w>-5 and w<6

400

Solve for v.

Remember Absolute Value Equations should have 2 answers! 

abs(v+8)-5=2

x=-15 and x=-1

500

Solve.

-5abs(4+n)<-15

n> -1 or n< -7

Solving Equations & Inequalities

100

What is the solution to the following inequality?

3x-7<2

x<3

200

Solve for w.

12+5w-4w=15

w=3

300

Solve the equation.

4-2(x-3)=24

x=-7

400

Solve for b. 

-11+3(b+5)<7

b<1

500

Solve for x.

3(x-6)+2x=22

x=8

Operations with Polynomials

100

What is the GCF of 21x - 15y ?

3

200

(2x²-7x+9)+(-3x²+4x-5)

-x²-3x+4

300

Simplify the expression by combining like terms:

-3z² + z - 4z + 5 + z²

-2z² - 3z + 5

400

(5x-4x²-2) - (4-7x-2x²)

-2x²+12x-6

500

Multiply (FOIL)

(x+4)(x-5)

x²-x-20

Factoring/Solutions

100

Factor x²+2x-35

(x-5)(x+7)

200

Factor 25x²-121

(5x+11)(5x-11)

300

Find the solutions to x²-15x+50

(x-10)(x-5)

x=10 and x=5

400

Factor Completely

2x²+10x+12

2(x²+5x+6)

2(x+3)(x+2)

500

Factor Completely

a³ + 8a² - 20a

a(a + 10)(a - 2)

Random Trivia

100

What is the name of the river that flows through the Brazilian rainforest?

The Amazon River

200

 Who holds the record for the most Olympic gold medals of all time?

Michael Phelps (swimming)

300

Who did the Buffalo Bills beat on Sunday to win the AFC Championship?

Miami Dolphins

400

Who is the most followed person on Instagram?

Cristiano Ronaldo

500

Which is the first organism to grow back after a fire?

Moss