Unit 7 & 8 Quizizz Notes

Unit 7- Exponential Functions

Multiple Choice

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x

• y = 15(1.35)^x

• y = 15(0.35)^x

• y = 35(1.15)^x

Multiple Choice

Identify the initial value:

y = 6.87 (4)^x

• a = 4

• a = 6.87

• a = 3

• a = 1

Multiple Choice

Classify the following graph.

• Exponential Growth
• Exponential Decay
• Logarithmic

Multiple Choice

Classify the following graph.

• Exponential Growth

• Exponential Decay

• Logarithmic

Multiple Choice

Find the exponential equation that represents the table.

• y = 2(3)^x

• y = 3 + (3)^x

• y = 3(2)^x

• y = 6(2)^x

Multiple Choice

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

• y=8(15,000)^x

• y=15,000(1.08)^x

• y=15,000(0.92)^x

• y=15,000(0.08)^x

Unit 8- Polynomial Operations & Factoring

Multiple Choice

• 3x³ +8x

• x³+3x² +8x

• 2x² +8x

• x³-3x³ +8x²

Multiple Choice

• 4g²-2g

• 4g²+4g-6

• 6g²+2g+6

• 4g²+2g

Multiple Choice

Expand 3a(5a² + 8a + 2) using the distributive property.

• 15a³ + 24a² + 6a

• 10a³ + 24a + 6

• 8a³ + 11a² + 6a

• 15a² + 24a + 6

Multiple Choice

A rectangular garden has a length of 2x - 7 and a width of 3x. Write a simplified expression to represent the area of the garden.

• 6x² + 21x

• 6x² - 21

• 6x²- 21x

• 5x² + 21x

Multiple Choice

What is the width of this rectangle?

•  5x⁴ + 10x³

• x + 15x³

• x + 3

• x⁴ + 3x³

Multiple Choice

Find the quotient.
  54y¹⁰ ÷ 6y⁵

• ⁹y¹⁵

• y⁵⁰

• 9y²

• 9y⁵

​How to Factor Polynomials

1st step: Multiply a x c or 2 x 10

2nd step: Find the factors of 20

3rd step: Determine which factors of 20 add to give you 9

4th step: Group your factors with a and c

5th step: Find the GCF of your group

How to Factor by Grouping

Multiple Choice

Factor out the GCF:
12x + 6

• 6(2x + 1)

• 3(4x + 2)

• 6x(2x + 1)

• 2(6x + 3)

Multiple Choice

Factor Completely: 
3x² + 18x +15

• 3(x² + 6x + 5)

• (x + 5)(x + 1)

• 3(x + 5)(x + 1)

• Prime

Multiple Choice

Factor:
x² - 5x - 14

• (x - 2)(x + 3)

• (x - 2)(x + 7)

• (x + 2)(x - 7)

• (x - 2)(x - 3)

Multiple Choice

factor:x² - 25

• ( x + 5 ) ( x - 5 ) 

• ( x - 5 ) ( x - 5 ) 

• ( x + 5 ) ( x + 5 ) 

• Prime

Multiple Choice

Factor
3v² - 4v - 7

• (3v-7)(v+1)

• 3(v-7)(v-1)

• (3v+1)(v-9)

• (3v+1)(v-10)