NC Math Quadratics

If the quadratic has a positive 'a' coefficient, what direction does the parabola open?

• Up

• Down

Tags

CCSS.HSF-IF.C.7A

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 are the x-intercepts of 
f(x)=(x - 10)(x + 10)

• 10

• (10 , 0) and (-10 , 0)

• (0, -10) and (0, 10)

• 0

Tags

CCSS.HSF-IF.C.7C

All Parabolas contain a vertex, when it opens up, this point is called a what?

• Maximum

• Minimum

True or False:
The domain of a quadratic is all real numbers.

• False

• True

Is this function wider, narrower, or the same as y=x²?
f(x) = - .4(x-7)² - 9

• Wider

• Narrower

• Same

Is this function wider, narrower, or the same as y=x²?
f(x) = -6(x-7)² - 9

• Wider

• Narrower

• Same

What are the zeros for the function
f(x) = (x + 7)(x + 5)

• (7 , 0) and (5 , 0)

• (0 , 7) and (0 , 5)

• (-7 , 0) and (-5 , 0)

• (7 , 0) and (5 , 0)

Tags

CCSS.HSF-IF.C.7C

What is the vertex of this function?

• (-3, -4)

• (-4, -3)

• (0, 5)

• (-5, 0)

What is the y-intercept of this function?

• (5, 0)

• (-4, -3)

• (0, 5)

• (-5, 0)

Tags

CCSS.HSF-IF.C.7A