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Exponents

100

Name the parts of an exponential.

x²

Exponent and the Base

200

Calculate 4²

4 x 4 = 16

300

Calculate 2³

2 x 2 x 2 = 8

400

Simplify x² times x³

x² · x³ = x⁵

500

Simplify

^x5⁄_x²

^x5⁄_x² = x³

1 steps A

100

x + 5 = 12

x = 7

200

x - 3 = 7

x = 10

300

3x = -9

x = -3

400

^x/₃ = 4

x = 12

500

Solve V = IR for I

I = ^V/_R

1 steps B

100

x + 2 = -6

x = -8

200

x - 3 = -5

x = -2

300

2x = -8

x = -4

400

^x/₄ = -3

x = -12

500

Solve C = 2πr. for r

r = ^C/_2π

2 steps

100

2x + 1 = 5

x = 2

200

3x - 2 = -11

x = -3

300

4y + 1 = -19

x = -5

400

-2x + 3 = -1

x = 2

500

-4x - 5 = 3

x = -2

Equations

100

2 Pizzas, each $8, T total cost

2 x 8 = T

200

3 Pizzas, $C each, $24 Total

3C = 24

300

P Pizzas, each $C, T total cost

P x C = T

400

2 Pizzas at $x each and 4 Drinks at $y each. Total cost $23

2x + 4y = 23

500

s students and 3 chaperones. Everyone pays $9 for tickets. Total cost is $99

9( s + 3 ) = 99