Find the slope and y-intercept of the line.8x - 5y = 9
A. slope = 8; y-intercept = 9
B. slope = ; y-intercept =
C. slope = ; y-intercept = -
D. slope = ; y-intercept =
Answer: C
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Find an equation of variation in which the following are true.y varies jointly as x and w and inversely as z, and y = when x = 2, w = 4, and z = 56.
A. y =
B. y =
C. y =
D. y = 28xwz
Solve the problem.One pound of an ingredient yields 3 cups of the final product. How many pounds of this ingredient will be required by a recipe that yields 7 cups of the final product?
A. 22 lb
B. 28 lb
C. 2 lb
D. 2 lb
Find the range of the given function.f(x) = x2 - 6x + 18
A. (-?, 0] B. [9, ?) C. [-3, ?) D. [3, ?)
Translate the phrase to an algebraic expression. Use x to represent "a number."A number divided by 15
A. 15 ÷ x or
B. x - (15)
C. x ÷ 15 or
D. 15 ? x or 15x