Solving Quadratics- Sq Root and Graphing

What is another way to say "where a function crosses the x-axis"?

• x-intercept
• zero
• root
• all of these.

Tags

CCSS.HSF-IF.C.7C

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

Tags

CCSS.HSF-IF.C.7C

.How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.HSF-IF.C.7A

What are the solutions?

• 0 and 8
• -2 and -4
• 3 and -1
• 2 and 4

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.11

Solve by taking the square root:

5x² - 4 = 41

• x = 9 and x = -9

• x = 3 and x = -3

• x = 8 and x = -8

• No Real Number Solution

Tags

CCSS.HSA-REI.B.4B

Solve by taking the square root:

(x + 2)² = 36

• x = -8 and x = 4

• x = -4 and x = 4

• x = -8 and x = 8

• x = - 38 and x = 34

Solve by taking the square root:

3(x - 1)² - 4 = 44

• x = 17 and x = -15

• x = 5 and x = -5

• x = 5 and x = -3

• x = 3 and x = -3

How many solutions does this function have?

• two

• one

• all real numbers

• no real solutions

How many solutions does this function have?

• two

• one

• all real numbers

• no real solutions

What are the solutions to this function?

• x={-2,-1}

• x={-3,-1}

• x={-1,3}

• x={-1,-2}