graphing quadratics

What is the y-intercept of the equation
y = 2x²+8x+3

• (0,3)
• (3,0)
• (0,2)
• y=8

Tags

CCSS.HSF-IF.C.7A

Find the vertex of the quadratic:
y = -2x² + 4x + 3

• (0, 3)
• (-1, 5)
• (1, 5)
• (1, -5)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Tags

CCSS.HSF-IF.C.7A

Which equation below is a quadratic?

• y=9x+5

• y=3x²-6

• y=5x³+6

• x=3^x

How does the parabola open? y = 4x - x² - 1

• up
• down
• left
• right

Tags

CCSS.HSF-IF.C.7A

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum
• opens up with a minimum
• opens down with a maximum
• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

What is the vertex of y= x² - 8x + 14 ?

• (2, 4)
• (-4, -2)
• (4, -2)
• (-2, 4)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the vertex of the function 
y = x² - 2x

• (1, -2)
• (1, -1)
• (-2, 1)
• (0, 0)

What do we call the graph of a quadratic?

• line

• vertex

• equation

• parabola

Tags

CCSS.HSF-IF.C.7A

Identify the 'b' value: y = 16x² -8x -24

• 16

• -8

• 8

• -24