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Question 1

Quadratic Formula

Answer 1

X= -b square root b^2-4ac/2a

Question 2

Completing the Square

Answer 2

-b/2a
Then Square Root Both Sides

Question 3

Square Rooting

Answer 3

Square Root of a = Square Root of c

Question 4

Factor Completely

Answer 4

(x+/-#)(x+/-#)

Question 5

Solve by Factoring

Answer 5

(#,#)

Question 6

Y=2x^2

Answer 6

X=0
Y=0
Minimum because a is positive
Y=0
No x Intercepts

Question 7

Find the Product

Answer 7

Multiply the Two Parentheses

Question 8

Find the Discriminant and the Number of Solutions

Answer 8

b^2-4ac
+# = Two Real Solutions
-# = No Real Solutions
0 = One Real Solution

Question 9

What is the Standard Form of a Quadratic Equation? And How do You Know if it Opens Up or Down?

Answer 9

a=+ Up, a=- Down
Y=ax^2+bx+c

Question 10

What is the Vertex Form of a Quadratic Equation? And How do You Know if it Opens Up or Down?

Answer 10

a=+ Up, a=- Down
Y= a(x+h)^2+/-k

Question 11

At What Time After the Start is the Ball # Feet High Again? What Formula do You Use?

Answer 11

Solve for t

Question 12

How Long Does it Take to Reach Maximum Height? What Formula do You Use?

Answer 12

-b/2a

Question 13

Find the Time When the Ball Hits the Ground. What Formula do You Use?

Answer 13

The Quadratic Formula
X= -b square root b^2-4ac/2a