NJGPA Practice Algebra

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Solve the system of equations: 2x + y = 5 and x - y = 1.

• x = 3, y = 2

• x = 2, y = 1

• x = 4, y = 3

• x = 0, y = -1

What is the slope of the line with the equation y = -3x + 2?

• -2

• 0

• -3

• 1

Find the solution to the system of equations: 3x + 2y = 8 and 2x - y = 3.

• x = 1, y = 0

• x = 2, y = 1

• x = 3, y = 2

• x = 4, y = 3

Factor the polynomial x² - 9.

• (x + 2)(x - 4)

• (x - 1)(x + 9)

• (x + 3)(x - 3)

• (x + 4)(x - 2)

Which function has the same y-intercept as the graph below?

• 27 + 3y = 6x

• 6y + x = 18

• y + 3 = 6x

On the coordinate plane provided, graph the line with equation 5y – 3x = –15 by selecting the x- and y-intercepts. A correct response must have the points placed at the intercepts. Select the places on the coordinate plane to plot the points.

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• D

Which of the following functions has the same y-intercept as the graph?

• 12 in x 9 in

• 14 in x 10 in

• 15 in x 12 in

• 16 in x 14 in