2.4-2.7 Quiz Review

2.4

100

Solve for the variable x: 

3n-5=22

n = 9

200

Solve for x:
3x-7 = 4x + 6 

x = -13

300

Solve for the variable:
4(3y +2) = 10y -4

y = -6

400

Solve for the variable:
4(x+2) = 3(x-5)

x = -23

500

Solve for the variable: 

6x -2 = 3x + 19

x = 7

2.6

100

Solve for x:
2/5= x/10

x = 4

200

What does g=?
g-4 / 5 = g+8 / 9

g = 19

300

Ms. Renteria's classroom has a length to width ratio of 2.5:5. Write a proportion that could be used to find the length of her classroom if the width is 16 feet.

Length is 8

OR 

L = 8

400

Chris bought an iPad that has a heigh to width ratio of 4:5, Write a proportion that could be used to find the width of the iPad if the height is 19.2 inches

Width is 24

500

Solve for the proportion: 

8/ m = 44/ 11

m = 2

2.7

100

Solve for k: 

jm = k

k = jm

200

Solve for L: 

Lq = c 

L = c/q 

300

Solve for n: 

c = nr

n = c/r

400

Solve for X: 

4(6x+2)=y

X= 1/24y -1/3 

OR 

X= y/24 - 1/3

500

Solve for c: 

A = 1/3 c +6

c = 3a - 18

2.7

100

Solve for m: 

m-6b=4

m= 6b+4

200

Solve for y: 

x+y=7

y=7-x

300

Solve for x: 

ax-b=c

x= c/a + b/a

400

Solve for k: 

k/4 = x

k = 4x

500

Solve for c:

n+4c=16

c= -1/4n +4 

OR 

c= -n/4 +4

RANDOM

100

A formula or equation involves ___________ and is called _______________?

A formula or equation involves MORE THAN ONE VARIABLE and is called LITERAL EQUATIONS

200

Solve for the proportion: 

4n/2+5n = 6/10-2

What is the difference with literal equations?

n = 6

Literal equations involve more variables (letters) than numbers

300

Solve for the proportion: 

4r/28 = 4/1 

r = 28

400

Solve for i: 

hi=j

i = j/h

500

Solve for B:

The area of a triangle can be calculated by using the formula A= 1/4 BH

B= 4A/H