Algebra 1 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

What is the "b" in this equation? 

• 1

• 4

• 0

• x

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

Is this a max or min?

• max

• min

• cannot be determined

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 "a" in this equation? 

• 1

• -8

• 15

• x²

If y=0, what are the values of x?

• -1 and 3

• 1

• 0 and 2

• -3

What direction is the following equation opening?
y=-3x²-7x+8

• Up

• Down

• Left

• Right

Tags

CCSS.HSF-IF.C.7A

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2

• x = 3

• x = -3

• y = 2

What is another name for the x-intercepts of a quadratic?

• y-intercept

• Zeros

• x-axis

• They don't have another name