Algebra 1 Quiz 1 Review

Linear Equations

100

Solve for x:

2x - 7 = 21

x = 14

200

Solve for x:
(3x+4x) - 5x + 30 = 50

x = 10

300

Solve for x:
3(x+7) = 4x + 15

x = 6

400

Solve for z:

2/3(15 +6x) = 2x - 30

x = -20

500

Which equations are equivalent to 8x + 14 = 70?

14x + 8 = 70

x = 7

7x = 70

100x = 700 

x = 7
100x = 700

Literal Equations

100

Solve for a:
F = ma

a = F/m

200

Solve for r: D = rt

r = D/t

300

Solve for m:
y = mx+b

(y-b)/x

400

Solve for f: 2g + 3f = 18

f = (18 - 2g)/3

500

Solve for a:
a^2  + b^2 = c^2

a = sqrt(c^2 - b^2)

Proportions

100

Solve for x:

(x / 4) = 15

x = 60

200

Solve for x:

(x / 2) + 5 = 10

x = 10

300

Solve for x:


(x/4) + 2 = 14

x = 48

400

3/x = 5 /(x+2)

x = 3

500

Solve for x:

4/(x-6) = 5/(x-8)

x = -2

No Solution, or All Real Numbers (or other?)

100

Solve for x:
8x = -8x

x = 0 

200

Solve for x:
4(x+2) = 4x - 8

No Solution 

300

Solve for x:
2x+42 = 2(x+21)

x = all Real Numbers

400

Solve for x:
-3(-x+7) = 3(x+7)

No Solution

500

10x +5 = 5/8(16x + 8)

x = All Real Numbers