Study Quiz
Study Quiz
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 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? A) addition B) subtraction C) division D) square root 6 Which equation is modelled by the diagram? (6.0K) A) 6 = 3w + 9 B) –6 = 3w – 9 C) –6 = 9w + 3 D) –6 = 3w + 9 7 What is the solution for the equation represented in question 6? A) w = –5 B) w = –2 C) w = 2 D) w = 5 8 Consider the equation 5a – 3 = 12. What is the first operation in the solution? A) Subtract 3 from both sides. B) Add 3 to both sides. C) Multiply both sides by 5. D) Divide both sides by 5. 9 Leo's father is three years older than twice Leo's age. If his father is 31, how old is Leo? A) 12 B) 13 C) 14 D) 15 10 A square picture is surrounded by a square frame 5 cm wide. The perimeter of the frame is 200 cm. What is the side length of the picture? (25.0K) A) 25 cm B) 30 cm C) 35 cm D) 40 cm