Quadratic Modeling

Find an equation in standard form of the parabola passing through the points (0,3) , (1,4) , and (2,9)

• 2x²-x+3

• x²-x+3

• 2x²-3x-1

• 3x²-x+2

What is the y-intercept of 
f(x)=2x² + 4x + 6

• (6 , 0)
• (-6 , 0)
• (0, -6)
• (0 , 6)

Tags

CCSS.HSF-IF.C.7A

What is the y intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)
• (0, 3)
• (-8, -7)
• (0, -7)

Tags

CCSS.HSF-IF.C.7A

Given the following points, write a quadratic function in standard form. (-4,30), (-2,15), (2,-9)

• f(x)= -1/4x² +6x +2

• f(x)= 1/4(x +3)²+ 28

• f(x)=4x²+ 24x + 6

• f(x)= 1/4x² -6x + 2

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

Tags

CCSS.HSF-IF.C.7A

Does the equation open or or down? 
Y = -3x² +7x - 2

• up
• down
• left
• right

Tags

CCSS.HSF-IF.C.7A