The correct answer for each question is indicated by a .

1

Solve 2x = 1. Verify

A)

x = 1

B)

x = -0.5

C)

x = –1

D)

x = 0.5

2

The power, P, in watts used by an electrical appliance that draws a current I, in amperes, is given by P = 120I. If a toaster uses 1800 watts, how much current does it draw?

A)

10 amperes

B)

15 amperes

C)

120 amperes

D)

1800 amperes

3

What is the solution for the equation 2t – 1 = 5?

A)

t = 5

B)

t = 3

C)

t = 1

D)

t = –1

4

If b = –2, which equation is true?

A)

2b + 1 = –3

B)

b + 1 = –3

C)

b – 1 = 1

D)

2b – 1 = 3

5

What is the opposite operation for multiplication?

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