Functions, lines and parabolas

Which graph is a parabola?

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Tags

CCSS.HSF-IF.C.7A

Which equation would give the graph of a parabola?

• y = 2x - 3

• y = x₂ + 1

• y = x² + 4

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.C.7

CCSS.HSG.GPE.A.2

If the a value is negative in the equation y = ax² + c , which direction does the parabola open?

• up

• down

• left

• right

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

The X axis goes...

• Horizontally, or across
• Vertically, or up and down

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

The equation of red graph is y = x². What is the equation of the blue graph?

• y = x² + 5

• y = x² - 5

• y = (x - 5)²

• y = (x + 5)²

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.4

CCSS.HSF.BF.B.3

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

The equation of red graph is y = x². What is the equation of the blue graph?

• y = x² + 2

• y = x² - 2

• y = (x - 2)²

• y = (x + 2)²

The equation of red graph is y = x². What is the equation of the blue graph?

• y = (x + 2)² + 3

• y = 3(x + 2)²

• y = (x - 2)² + 3

• y = (x + 2)² - 3

The equation of red graph is y = x². The equation of the blue graph is...

• y = x² ÷ 3

• y = 3x²

• y = x² ÷ 2

• y = 2x²

The equation of red graph is y = x². The equation of the blue graph is...

• y = x² - 2

• y = -x² + 2

• y = -x² - 2

• y = -2x²

The equation of red graph is y = x². The equation of the blue graph is...

• y = (x + 4)² - 2

• y = y = -(x + 4)² + 2

• y = (x - 4)² - 2

• y = (x + 4)² + 2