Quadratic Equations and Tables

The graph of a quadratic function d is shown on the grid. What is the maximum value of d?

The graph of a quadratic function is shown on the grid. Write an equation to represent the function.

Mathematical Equivalence

ON

The points (0, 2), (1, 3), (2, 6), and (3, 11) are on the graph of a function. Which of the following equations represents that function?

• x + 2

• 2x²

• x² + 2

• 0.5x² +1.5

The points (0, 4), (1, 5), (2, 8), and (3, 13) are on the graph of a function. Which of the following equations represents that function?

• x²-3

• x²+4

• x²-1

• x²+1

The points (0, -3), (1, -1), (2,5), and (3, 15) are on the graph of a function. Which of the following equations represents that function?

• x²+3

• 2x²+3

• x²-3

• 2x²-3

Consider a parabola that intersects the x-axis at the points (3,0) and (-2,0). What is the equation of the parabola?

• 2x²+3x+7

• x²+2x-6

• x²-x-6

• 3x²-x-6

Consider a parabola that intersects the x-axis at the points (6,0) and (3,0). What is the equation of the parabola?

• x²-9x+18

• x²-3x+18

• x²+9x-18

• x²-6x-18

Consider a parabola that intersects the x-axis at the points (-6,0) and (-1,0). What is the equation of the parabola?

• x²-7x+6

• x²+5x-6

• x²+7x+6

• x²-7x-6

What is the y-intercept of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)

What is the vertex of the given parabola?

• (1, 2)

• x = 2

• (2, 1)

• (0, -4)