Algebra End of Course Practice

What are the solutions to the system of equations?

• (0, 5.6) and (0, 13)

• (0,13) and (16, 1)

• (4, 10) and (7, 7.75)

• (16, 1) and (10, 0)

Which of the following at factors of the equation when written in factored form? 2a² + 8a - 15 = 3a - 3

• (2a + 3)(a + 4)

• (2a - 3)(a + 4)

• (2a - 3)(a - 4)

• (2a + 3)(a - 4)

Kelli recorded the amount of money she earned, y, for hours worked, x, in the table shown. Is the function increasing or decreasing?

• increasing

• decreasing

Kelli recorded the amount of money she earned, y, for hours worked, x, in the table shown. What type of function is this?

• linear

• quadratic

• exponential

Kelli recorded the amount of money she earned, y, for hours worked, x, in the table shown. What is the y-intercept?

• (1, 15)

• (0, 1)

• (0, 0)

The area, in square units of a rectangle is represented by 6x³ - 2x² + 4x. If the width, in units, is 2x, what is the length, in units?

• 8x³ - 4x² + 6x

• 8x⁴ - 4x³ + 6x²

• 12x³ - 4x² + 8x

• 12x⁴ - 4x³ + 8x²

Which student correctly solved this expression?

x^1/3 multiplied by x^1/4

• Jo says the answer is x^7/12 bc the exponents should be added

• Kerrie says the answer is x^2/7 bc the exponents should be added

• Alex says the answer is x^7/12 bc the exponents should be multiplied

• Tracy says the answer is x^1/12 bc the exponents should be multiplied

Which of the following is the best method for solving x² + 2x - 3 = 0?

• factor

• inspection

• quadratic formula

• square root property

Is (-5, 0) a solution for -2x + 5y = 10?

• Yes

• No

Is (0, 2) a solution for y = 2(3)^x ?

• Yes

• No