Graphics Parabolas

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

What is the vertex of the parabola: y=2(x-3)²+4

• (3,4)

• (-3,4)

• (3, -4)

• (-3,-4)

What causes the graph of y = x² to open downward?

• multiply the x² by a fraction

• multiply the x² by a decimal

• multiply the x² by a negative number

• multiply the x² by a number greater than 1

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1

• f(x) = (x + 2)² - 1

• f(x) = -(x + 2)² - 1

• f(x) = -(x - 2)² - 1

Tags

CCSS.HSF-IF.C.7A

Convert to vertex form.

• y=-2(x+12)² - 67

• y=-2(x-12)² - 67

• y=-2(x-6)² - 67

• y=-2(x+6)² - 67

Convert to vertex form.

• y=-(x-5)² + 21

• y=-(x+5)² + 21

• y=-(x+10)² + 21

• y=-(x-10)² + 21

Convert to vertex form.

• y=2(x+3)² - 9

• y=2(x-3)² - 9

• y=2(x+6)² - 9

• y=2(x-6)² - 9

What is the axis of symmetry for the following quadratic function: f(x)=1/2(x-4)²+3

• x=4

• x=-4

• x=1/2

• x=3

Convert to vertex form.

• y=1/3(x+3)² - 29

• y=1/3(x-3)² - 29

• y=1/3(x-9)² - 29

• y=1/3(x+9)² - 29

What is the equation of this parabola?

• (y - 1)² = -4(x - 3)

• (y - 1)²= 4(x + 3)

• (y + 1)² = 4(x - 3)

• (y + 1)² = -4(x + 3)