Quadractic Functions Review

Formulas

100

x= -b/ 2a

Axis of symmetry

200

x= +-b √( b² - 4ac) /2a

Quadratic formula

300

y= ax² + bx + c

Standard form of a quadratic equation

400

y= a(x - h)² + k

Vertex Form of a quadratic equation

500

y= a(x - p)(x - q)

What is intercept form.

Vertex/Intercepts

100

What are the x intercepts of y = -(x+1)(x-4)

(-1,0) (4,0)

200

What is the vertex of y = -2(x-4)(x+6)

(-1,50)

300

What is the vertex of y = (x+5)² - 1

(-5,-1)

400

What is the vertex of y = (x-7)(x-1)

(4,-9)

500

What is the vertex of y = -4(x-3)²

(3,0)

Graph Openings

100

Does the graph of this equation open up or down? y = (x+2)(x-1)

Opens Up

200

Does the graph of this equation open up or down? y = -4(x-2)² + 2

Open Down

300

Does the graph of this equation open up or down? y = 2(x-1)² - 6

Open Up

400

Does the graph of this equation open up or down? y = 5(x+5)(x-2)

Open Up

500

Does the graph of this equation open up or down? y = -3(x+4)² - 2

Open down

Standard Form

100

Write the following quadratic function in standard form. y = (x-2)² + 6

x² - 4x + 10

200

Write the following quadratic function in standard form. y = 3(x-3)² - 12

3x² - 18x + 15

300

Write the following quadratic function in standard form. y = 4(x+1)(x+2)

4x² + 12x + 8

400

Write the following quadratic function in standard form. y = 3(x-1)² + 5

y = 3x² - 6x +8

500

Write the following quadratic function in standard form. y = 4/3(x-2)² - 5

y = 4/3x² - 16/3x + 1/3

Factoring

100

Factor the following equations. y = x² + x -12

(x-3)(x+4)

200

Factor the following equations. y = x² - 12x +35

(x-7)(x-5)

300

Factor the following equations. y = x² + 6x + 9

(x+3)(x+3)

400

Factor the following equations. y = x² + 2x - 24

(x-4)(x+6)

500

Factor the following equations. y = x² + 21x + 98

(x+7)(x+14)

Jesus is the Answer

100

The second book of the Bible, which describes the ten plauges and the journey of the Israelites out of Egypt, is called 

Exodus

200

What does the Bible say about debt?

Let no debt remain outstanding, except for the debt of love.

300

List the three disciplines that Jesus took to the Mountain of Tranfiguration.

Peter, James, John

400

Jesus says the first commandment is to love God with all your heart, soul, mind and strength. What is the second commandment?

Love your neighbor as yourself

500

Who was the first to see Jesus after He was resurrected.

Mary Magdalene