|
Four less than twice a number is six. Which equation represents the previous sentence? 4 - 2n = 6 2(n - 4) = 6 2(4 - n) = 6 2n - 4 = 6 Which phrase could be written algebraically as 5(x - 7)?
Five more than a number minus 7 Five times a number minus 7 Five times seven less than a number Seven less than five times a number Julie practiced guitar for x hours. Matt practiced three hours more than Julie. Hannah practiced the guitar four times longer than Matt. Which expression represents the total time they practiced the guitar? x + x + 3 + 4(x + 3) x + x + 3 + 4x x + 4(x + 3) x + 3 + 4x What is the value of 2a - 8b - ab when a = -1 and b = -2? -12 12 -20 16 What is the value of 4 - 8(3 + 2) + 6 ÷ 2? -23 -32 -39 -33 When x = 9, what is the value of 3x - ⅓x? 24 30 0 9 What is the value of |x - 3| when x = -5? -8 -2 2 8 The equation y = 150 + 25x shows the cost (y) to rent a banquet hall for different numbers of hours (x). How much would it cost to rent the banquet hall for a four hour party? $275 $250 $200 $179 The formula F = (9/5)C + 32 can be used to convert the temperature in degrees Celsius (℃) to the temperature in degrees Fahrenheit (℉). What is 20℃ in degrees Fahrenheit? 68 degrees 64 degrees 76 degrees 72 degrees Tyler cut a piece of 40-foot rope into 3 pieces. The first piece is three times as long as the second piece. The third piece is 2 feet less than the first piece. How long are the pieces?
6, 16, and 18 feet long 8, 22, and 24 feet long 7, 19, and 21 feet long 9, 25, and 27 feet long |