Parabolas on Graphs

What are the roots of this function?

• (-3, 0) & (1, 0)

• (0, -3) & (0, 1)

• (-1, -4) & (0, -3)

• (0, -1) & (-1, -4)

If the red parabola is f(x) = x², what is the best equation for the blue parabola?

• f(x) = 0.25x²

• f(x) = x² - 3x + 4

• f(x) = 5x²

• f(x) = 0.5x²

What is the axis of symmetry of the parabola?

• (2, -8)

• x = 2

• y = 2

• z = 2

Tags

CCSS.HSF-IF.C.7A

The parabola graphed by f(x) = 2x² + 3x + 4 opens _________.

• upward

• downward

• left

• right

Tags

CCSS.HSF-IF.C.7A

Plot the positive parabola by placing the y-intercept at y=-3 and the vertex at (2,-4)

Tags

CCSS.HSF-IF.C.7A

If the directrix is above the vertex the parabola opens ​ (a)   and if the directrix is below the vertex the parabola opens ​ (b)  

• down

• up

• left

• right

Graph the parabola represented by the equation:

Tags

CCSS.HSA.CED.A.2

Graph the parabola represented by the equation:

Tags

CCSS.HSA.CED.A.2

What is the vertex of this parabola?

• (3, -1)

• (1, 3)

• (-1, -3)

• 5

What is the equation of this parabola?

• x² + 2x + 3

• -x² - 2x + 3

• x² + 2x - 3

• -x² - 2x - 3