Algebra 1 Review School Net Questions

An equation is shown: - (3x + 2) + 4x = ax Which statements about the value of a and the number of solutions to the equation when solved for x are true? Select the two correct answers.

• A. When a = 0, there are no solutions to the equation when solved for x.

• B. When a = 0, there is exactly one solution to the equation when solved for x.

• C. When a = 1, there are no solutions to the equation when solved for x.

• D. When a = 1, there is exactly one solution to the equation when solved for x.

• E. When a = 1, there are infinitely many solutions to the equation when solved for x.

• b = 2

• b = 3

• b = 4

• b = 5

Which inequality represents the solution set of 4 - 3(x + 1) > 5?

• x < -36

• x < -4/3

• x > 1/3

• x > 16

• x = 2y + 16

• x = 2y + 32

• A. The number 256 represents the decay rate of the function.

• B. The number 256 represents the growth rate of the function.

• C. The expression 1-b represents the decay rate of the function.

• D. The expression 1-b represents the growth rate of the function.

The function f(x) represents the area, in square feet, of a rectangular field with a width of 3x feet. f(x) = 3x(100 - x) A student cannot remember how to use the function to determine the maximum area of the field. Which statement describes a way to use a different representation to determine the maximum area, in square feet?

• Create a graph of the function and calculate 3 times the x-coordinate of the vertex.

• Create a graph of the function and calculate 3 times the f(x)-coordinate of the greatest zero.

• Make a table of values and determine the greatest x-value that results in a nonnegative value of f(x).

• Make a table of values and determine the greatest f(x)-value that results from a nonnegative value of x.

Which sequences represent exponential functions? Select all that apply.

• 2, 6, 18, 54, 162,...

• 9, 18, 36, 72, 144,...

• 180, 136, 92, 48, 4,...

• 17, 11, 5, -1, -7

• 120, 60, 30, 15, 7.5,...

Which graph shows the solution of the inequality 2x - y > 6?

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For what values of x is f(x) = g(x)? Select all that apply.

• -6

• -1

• 0

• 2

• 3