Provide an appropriate response.Choose the expression that is equivalent to the following: 1(4x3)
A. 4x3
B. 4x4
C. 5x3
D. 1
Answer: A
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If y varies inversely as x, find the inverse variation equation for the situation.y = when x = 40
A. y =
B. y =
C. y =
D. y = x
Solve the problem.The table shows the population of a city over the past five years. We used these data to develop the quadratic equation
, which models the population of the city y in millions in the year x, where x = 0 represents 1995, x = 1 represents 1996, and so on. Use the model to find the estimated population in the year 1998.
A. 1,490,000,000,000 B. 1,490,000 C. 68,852,000 D. 71,628,000
The following expressions represent denominators of rational expressions. Find their LCD.x2 - 8x + 15 and -2x + 10
A. -2(x + 3)(x - 5) B. -2(x - 3)(x + 5) C. -2(x + 3)(x + 5) D. -2(x - 3)(x - 5)
Solve the equation. First simplify the expression by combining like terms.-7(k - 7) - (-8k - 6) = 3
A. - 4 B. 52 C. 58 D. - 52