Feb. 25: Converting between Vertex and Standard Forms

Convert the equation y = x² - 2x - 5 into vertex form.

• y = (x - 1)² - 6

• y = -(x - 1)² - 6

• y = (x + 1)² - 6

• y = -(x + 6)² - 1

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Which of the following shows

f(x) = x² + 12x - 2

written in vertex form?

• f(x) = (x + 6)² + 142

• f(x) = (x + 6)² - 34

• f(x) = (x + 6)² - 38

• f(x) = (x + 6)² + 34

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.IF.C.8

A quadratic equation has a vertex form of y = -2(x - 1)² - 2. Which of the following is equivalent to this form?

• y = 2x² - 4x + 4

• y = -2x² + 4x - 4

• y = -2x² - 4x + 4

• y = 2x² + 4x - 4

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.IF.C.8

Convert

y = -2(x - 4)² + 2 into standard form.

• y = -2x² + 16x - 30

• y = -2x² - 16x - 30

• y = 2x² + 16x - 30

• y = -2x² + 16x + 30

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3