Illustrative Math Intro to Quadratics

What is the axis of symmetry for this graph? 

• x = 2

• x = -4

• y = -4

• there is not one

Tags

CCSS.HSF-IF.C.7A

Which equation do you use to find the axis of symmetry? 

• y = mx + b

• x = -b / 2a

• x = a(b)^x

• y = -b / 2a

What is the "b" in this equation? 

• 1

• 4

• 0

• x

What is the "a" in this equation? 

• 1

• -8

• 15

• x²

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 parent function of a quadratic equation?

• f(x)=x

• f(x)=x²

• f(x)=ax²+bx+c

• f(x)=a(x-h)²+k

• Quadratic parent function

• Equation

• Polynomial

• Trinomial

• 1

• 3

• 2

• 5

• 4

y = x² - 4x + 5

• down and down

• down and up

• up and down

• up and up

Tags

CCSS.HSF-IF.C.7A

• F
• G
• H
• J