Quiz about Quizizz 4.1_Exponential & Logarithmic Function

Question 1

Solve for x: $$\log_x81=2$$

Accepted Answer

9

Answer

-9

Answer

1/9

Answer

18

Question 2

Describe the transformations of

$$f(x)=\log_2(x+1)-7$$ from the parent function $$f\left(x\right)=\log_2\left(x\right)$$

Accepted Answer

translate 1 unit to the left, 7 units down.

Answer

translate 1 unit to the right, 7 units up.

Answer

translate 1 unit to the left, 7 units up.

Answer

translate 1 unit to the right, 7 units down.

Question 3

What does the "b" stand for in y=mx+b?

Accepted Answer

y-intercept

Answer

slope

Answer

x-intercept

Question 4

What is the common ratio for the sequence:
3, 15, 75...

Accepted Answer

5

Answer

12

Answer

1/5

Question 5

Write the equation of the line.

Accepted Answer

y = 1/3x - 2

Answer

y = -1/3x - 2

Answer

y = 3x - 2

Answer

y = -3x - 2

Question 6

Which relation is not a function?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 7

Students were asked to write an expression which had a leading coefficient of 3 and a constant term of -4. Which response is correct?

Accepted Answer

$$-4x^2\ +\ 3x^{4\ }-\ 4$$

Answer

$$3\ -\ 2x^3\ -\ 4x$$

Answer

$$7x^{3\ }-\ 3x^{5\ }-\ 4$$

Answer

$$4\ -\ 7x\ +\ 3x^3$$

Question 8

Question 8.

Accepted Answer

(2)

Answer

(1)

Answer

(3)

Answer

(4)

Question 9

Question 9.

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 10

Students were asked to write $$6x^5\ +\ 8x\ -\ 3x^3\ +\ 7x^7$$ in standard form. Shown below are four student responses.

Anne: $$7x^7\ +\ 6x^5\ -\ 3x^3\ +\ 8x$$

Bob: $$-3x^3\ +\ 6x^5\ +\ 7x^{7^{\ }}+\ 8x$$

Carrie: $$8x\ +\ 7x^7\ +\ 6x^5\ -\ 3x^3$$

Dylan: $$8x\ -\ 3x^3\ +\ 6x^5\ +\ 7x^7$$

Which student is correct?

Accepted Answer

Anne

Answer

Bob

Answer

Carrie

Answer

Dylan

Question 11

For the graph to the right, The solid line is $$y=\log_4\left(x\right)$$ . What would be the equation of the transformed dashed graph?

Accepted Answer

$$y=\log_4\left(x+4\right)+4$$

Answer

$$y=\log_4\left(x-4\right)+4$$

Answer

$$y=\log_4\left(x\right)-4$$

Quizizz 4.1_Exponential & Logarithmic Function

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