FRAG Friday 11/6

FRAG Friday 11/6

Radical Operations Review

Multiple Choice

 $2\sqrt{27}+8\sqrt{3}+5\sqrt{8}$  

(Hint: Simplify before adding)

•  $24\sqrt{3}$  

•  $24\sqrt{3}+5\sqrt{8}$  

•  $14\sqrt{3}+10\sqrt{2}$  

Multiple Choice

• -5√1
• 8√2 + 13√3
• 21√5
• 20√5

Multiple Choice

Write an expression for the perimeter in simplest radical form

• 2√21 in.

• 12√2 in.

• 2√8 + 8√2 in.

• They aren't like terms

Multiple Choice

Simplify 2√3+5√7-3√7+6√3

• 8√3+2√7
• 10√10
• 11√3-√7
• 12√3-15√7

Multiple Choice

Simplify: 2√7 + √28

• 7√4

• 4√14

• 4√7

• 9√7

Multiple Choice

Simplify: 6√3 + 2√75 - 4√27

• 16√3 - 12√2

• 2√15

• 28√3

• 4√3

Multiple Choice

• 13√3
• 10√30
• 13√6
• 11√3

Multiple Choice

• A

• B

• C

• D

Multiple Choice

Find the area of the rectangle shown.

• 18√20

• 12√10 + 6√2

• 9√12

• 36√5

Multiple Choice

Simplify:
6√2 ⋅5√14

• 32√7
• 60√7
• 2√7
• 30√7

Multiple Choice

√3 × √15 =

• 3√5

• 5√3

• 2√7

• √17

Multiple Choice

• A

• B

• C

• D

Square Root Property

Multiple Choice

Which method are you going to use to solve

3x² - 7x + 2 = 0

• Factoring

• Square root property

Multiple Choice

Which method are you going to use to solve

5(x + 1)² + 2 = 22

• Factoring

• Square root property

Multiple Choice

Solve by taking square roots.

2x² - 8 =100

• x = ±√54

• x = ±3√6

• x = ± 9√6

• x = ±2√27

Multiple Choice

x² + 1 = 9

• ± √8

• ± 4

• ± 8

• ± 3

Multiple Choice

What is one of the solutions to this equation?

(2x - 1)² = 49

• 7

• -7

• -4

• -3

Multiple Choice

Solve for h.

(h - 2)² = 9

• h = 5, -1

• h = 5, -5

• h = 5

• h = -1

Multiple Choice

(x + 1) ² = 25

• ± 5

• 4 or -6

• -4 or 6

• ± 4

Multiple Choice

Solve using square roots.

5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

Multiple Choice

Solve using square roots.

k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no solution

Discriminant

Multiple Choice

The discriminant is

• aX²  + bX  +  c
• b - 4ac
• b² - 4ac
• b² + 4ac

Multiple Choice

Which graph has a discriminant = 0?

• None of them
• Red
• Blue
• Green

Multiple Choice

.How many roots does this parabola have?

• 3

• 2

• 0

• 1

Multiple Choice

If the discriminant is equal to 0, how many solutions are there?

• No solutions

• 1 Solution

• 2 Solutions

• Infinite solutions

Multiple Choice

If the discriminant is equal to -2, how many solutions are there?

• No Solutions

• 1 Solution

• 2 Solutions

• Infinite Solutions

Multiple Choice

If the discriminant is equal to 4, how many solutions are there?

• No Solutions

• 1 Solution

• 2 Solutions

• Infinite Solutions

Multiple Choice

____________
For the function above, is the discriminant positive, negative, or zero?

• Positive
• Negative
• Zero
• Not Sure

Multiple Choice

____________
For the function above, is the discriminant positive, negative, or zero?

• Positive
• Negative
• Zero
• Not Sure

Multiple Choice

What does the discriminant tell us?

• The maximum or minimum

• The y-intercept

• The number and type of solutions

• The axis of symmetry

Multiple Choice

A function has a discriminant of 25.

______________

How many solutions does it have?

• 0

• 1

• 2

• 5

Multiple Choice

If the discriminant is positive, then the solution will be

• one real solution

• two real solutions

• no real solutions

• one imaginary solution

Multiple Choice

What is the discriminant of -2x² − x − 1 = 0

• 76

• -7

• 9

• none of these

Multiple Choice

For the function below, is the discriminant positive, negative, or zero?

___________

y = x² + 4x + 4

• Positive

• Negative

• Zero

• Not Sure