Graphs of Parabolas

What is the vertex of this parabola?

• (3, -1)

• (1, 3)

• (-1, -3)

• 5

Tags

CCSS.HSG.GPE.A.2

What are the roots of this function?

• (-3, 0) & (1, 0)

• (0, -3) & (0, 1)

• (-1, -4) & (0, -3)

• (0, -1) & (-1, -4)

What is the equation of this parabola?

• x² + 2x + 3

• -x² - 2x + 3

• x² + 2x - 3

• -x² - 2x - 3

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

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.BF.A.1

What is the vertex of the parabola?

• (1, 5)

• (1, -5)

• (-1, 5)

• (-1, -5)

Tags

CCSS.HSG.GPE.A.2

What is the y-intercept of the quadratic function f(x) = 20x² + 50x - 14?

• (0, -14)

• (0, 14)

• (14, 0)

• (-14, 0)

What is another common term for an x-intercept?

• basic

• axis

• root

• thingy on the x-axis

What is the axis of symmetry of the parabola?

• (2, -8)

• x = 2

• y = 2

• z = 2

Tags

CCSS.HSA.REI.D.10

The constant of a quadratic equation tells you...

• y - intercept

• x - intercepts

• axis of symmetry

• Whether the parabola opens up or down

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

• upward

• downward

• left

• right