Algebra 1 Spring Final Exam REVIEW

The graph of quadratic function r is shown on the grid. Which answer choice best represents the intercepts of the graph of r?

• x-intercept: (5, 0) y-intercepts: (0, 10) and (0, -2)

• x-intercepts: (0, -10) and (0, 2) y-intercept: (-5, 0)

• x-intercept: (0, 5) y-intercepts: (10, 0) and (-2, 0)

• x-intercepts: (-10, 0) and (2, 0) y-intercept: (0, -5)

A system of equations is graphed on the grid. Which system of equations is best represented by the graph?

• y = (2/5)x - 8 y = (-3/5)x - 3

• y = (2/5)x - 3 y = (-3/5)x - 8

• y = (5/2)x - 8 y = (-5/3)x - 3

• y = (5/2)x - 3 y = (-5/3)x - 8

What is the solution to this system of equations? 2x + y = 40 x - 2y = -20

• (12, 16)

• (15, 17.5)

• There is no solution.

• There are an infinite number of solutions.

Which graph best represents a quadratic function with a range of all real numbers greater than or equal to 3?

• A graph opening upwards with vertex at (h, 3)

• A graph opening downwards with vertex at (h, 3)

• A graph opening upwards with vertex at (h, -3)

• A graph opening downwards with vertex at (h, -3)

Which expression is equivalent to (n - 4)(2n + 7)?

• 3n + 3

• n - 28

Which situation shows causation?

• When the number of people in a bus increases, the number of animals in a zoo also increases.

• When the number of hours worked each week by an hourly employee decreases, the amount of money earned by the employee also decreases.

• When the amount of a discount for a sale increases, the number of items sold during the sale decreases.

• When the number of bike trails in a city decreases, the amount of rainfall in the city increases.

The graph of a linear function is shown on the grid. Which equation is best represented by this graph?

• y = -7/4x + 4

• y = -7/4x + 7

• y = -4/7x + 4

• y = -4/7x + 7

A florist is making bouquets of flowers for a wedding. Each bouquet will have 9 flowers. The graph shows the linear relationship between y, the number of flowers used, and x, the number of bouquets. (Refer to the graph labeled 'Wedding') The florist will use no more than 8 bouquets for the wedding. Which set best represents the domain of the function for this situation?

• {0, 2, 4, 6, 8, 10}

• {0, 1, 2, 3, 4, 5, 6, 7, 8}

• {0, 18, 36, 54, 72, 90}

• {0, 9, 18, 27, 36, 45, 54, 63, 72}

The graph of a line is shown on the grid. The coordinates of both points indicated on the graph of the line are integers. What is the rate of change of y with respect to x for this line?

• 5/2

• -6/5

• 2/3

• -5/6

What is the value of the y-intercept of the graph of h(x) = 12.3(4.9)x?

• 0

• 12.3

• 4.9

• 1