UNIT 2 REVIEW

2.11

100

Solve for x 

12x+ 5y = 80

x = 80-5y / 12

200

Solve for m 

6 = 3m - 2n 

m= 6 + 2n / 3 

300

h = 7x

Solve for x

H/7 = x 

400

Solve for a 

b - 2a = -10

A= -10 - b / -2

500

a + cb = u 

solve for b 

b = u-a / c 

2.7/2.9

100

4x - 2 + x = 5x + 2 

Are there infinite solutions, no solutions or one solution? 

-2 does not equal 2 so no solution

200

4x + 2 - x = 5x +10 

Infinite solution, no solution, or one solution?

x = -4

one solution

300

If x = 9 what is the value of y in the equation: 

3x-2y=51

y = -12

400

x - 5 = 20 what is value of 3x-15 ? 

60 

500

If k = 3 what is the value of x in the equation 

2kx - x = 45

x = -9

2.6

100

2(5x-1) = 3(x+11) Solve for X.

x = 5

200

2 (a-4) = 3a - (2a +4)

Solve for A 

A = 4 

300

5x-3 / 3 = 2x / 1 Solve for X 

X = -3

400

5k-3k = 6k + 5 - 8k

Solve for K

K = 5/4

500

3(q-5) = 2(q+5) 

q=25

2.13

100

There were 39,000 that lived in a town in 2015. Now there are 47,500 people that live in the town. What is the percent change in town's population? 

21.8%

200

You think that you live 4.8 miles from school, but you really live 5.9 miles from school. What is the percent error in your estimate?

18.6 % percent error

300

Ally got 11 questions right on her Skills Check #4. On Skills Check #5 Ally got 14 questions right. What is the percent change in the questions she got correct? 

27.3% percent change 

400

Solve for X 

px +2qx = m

X = m / p+2q

500

Solve the equation for x 

x/a = r/ b

x= ar/b

Random Review

100

What is 135 % as a decimal?

1.35

200

What is the formula for area of a rectangle?

Length times width 

300

What is 56% off of a VR set that cost 650 dollars?

$364

400

ax/y = z

Solve for x 

x = zy/a

500

Solve for the perimeter of a rectangle that has a length of 4x-3 and a width of 2x+7?

12x + 8