Chapter 8 - Properties of Parabolas

Parabolas

100

What is the name of the graph f(x)=x²?

Parabola

200

What is the degree of a quadratic function?

two

300

The parabola with the equation f(x)=-3x²+4x-5 opens this direction.

What is down?

400

This line passes through the vertex and divides the parabola into two exact parts.

What is the axis of symmetry?

500

 b) y-intercept

Which of the follow is NOT a synonym of solution?

a. x-intercept

b. y-intercept

c. root

d. zero

Standard Form Equations

100

This is the standard form equation.

What is f(x)=ax²+bx+c ?

200

This parabola opens

f(x)=-5x²-4x+12

What is down?

300

The y-intercept of the parabola with the equation y=9x²-5x+12.

What is (0, 12)?

400

What is the equation of the axis of symmetry?

x=-b/2a

500

Which is not a possible amount of zeros for a parabola?

a. zero

b. one

c. two

d. three

d. three

Factoring

100

Describe how to factor a trinomial

What multiplies to ac (outside)

What adds to middle

200

Factor x²-9

(x+3)(x-3)

300

Find and describe the error:

x² + 16 = (x+4)(x-4)

Not factorable

400

Factor x²y+xy²

xy(x+y)

500

Instant 500

Instant 500

Mixed Algebra Review

100

What function is y = mx + b

Linear Function

200

What is |-10| ?

10

300

Find the zeros of (x+4)(x-4)=0

4 & -4

400

Instant 400

400

500

True of False: x+1 < 3 ; where x=2 is a solution

false

Random!

100

Name 2 teachers that graduated RHS

ex; Mr. Dunn, Ms. Arsi, Mr. Parno

There are more!

200

The GCF of 12x⁴-16x³+32x²

What is 4x² ?

300

What three numbers when you add them or multiply them do you get the same solution?

x+y+z = xyz

1, 2, 3

400

Factor: 4x²-9

What is (2x-3)(2x+3)?

500

What is the only number that has the same number of letters as its meaning?

four