Practice Placement Test Algebra 1

A system of equations is graphed below. What is the solutions of the system?

• (0, 5.6) & (0, 13)
• (0, 13) & (16, 1)
• (4, 10) & (7, 7.75)
• (16, 1) & (10, 0)

Which of the following are factors of the equation when written in factored form? Select ALL that apply:

• a + 4
• 2a - 3
• a - 4
• 2a - 9
• 2a + 3

Kelli recorded the amount of money she earned, y, for hours worked, x, in the table shown. Select the statement that is true:

• The function is linear.
• The function is quadratic.
• The function is exponential.

Kelli recorded the amount of money she earned, y, for hours worked, x, in the table shown. Select the statement that is true:

• The y-intercept is (1, 15).
• The y-intercept is (0, 1).
• The y-intercept is (0, 0).

The table shows the distance that schools will travel to attend a field trip to the state capitol. School 7 has to travel 15 miles. If this outlier is added to the data, which is a true statement about how it changes the data in the table? Select ALL statements that apply

• The data is more spread.
• The median stays the same, and the mean changes.
• The data is less spread.
• Both the median and the mean change.
• There is no change in the median and mean.

The formula for the area of a trapezoid is given. Solve for b(1). Which equation is the correct value for b(1)?

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The area, in square units, of a rectangle is represented by the given function. If the width, in units, is 2x, what is the length, in units?

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Which student correctly solved this expression?

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The graph shown is the graph of y = f(x). Which of the following is the graph of y = 2f(x) - 1?

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A residual is defined as the difference between the actual value of the dependent variable and the value predicted by the model. Which graph best represents a relationship that minimizes residuals?

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