Solving Quadratic Equations in Vertex Form

Which quadratic function is represented by the graph?

• y = 2(x - 4)² + 5

• y = 2(x + 4)² + 5

• y = -2(x - 4)² + 5

• y = -2(x + 4)² + 5

Tags

CCSS.HSF-IF.C.7A

Find the vertex.

• (-1,4)

• (1,4)

• (1,-4)

• (-1,-4)

What is the vertex of the function   y = (x - 3)² + 5

• (-3, 5)

• (3, -5)

• (-3, -5)

• (3, 5)

Given the equation for this parabola:
 y=-(x-4)²-3,
does this parabola have a maximum or minimum value?

• Maximum

• Minimum

• Not enough information

Tags

CCSS.HSF-IF.C.7A

What is the equation of the quadratic shown in vertex form?

Which of the following equations shows the vertex form of a quadratic?

• x = -b/2a

• x = (-b ±√b² - 4ac)/2a

• y = ax² + bx + c

• y = a(x - h)² + k

What does the vertex form of the equation allow us to find easily?

• y-intercept

• vertex

• concave up or down

• stretch or compress

• x-intercepts

What is the vertex form of the quadratic equation with vertex at (-3, 4)?

Solve: 0=2(x-3)²+4

• no real solution

• √2- 4 and -√2 - 4

• √2 + 3 and -√2 - 3

• ±√2

Tags

CCSS.HSA-REI.B.4B

What is the vertex form of the quadratic equation with vertex at (2, -5)?