EOC Review 9

EOC Review 9

9th Grade

10 Qs

quiz-placeholder

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EOC Review 9

EOC Review 9

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSF.LE.A.2, HSF-IF.C.7E, HSF.LE.B.5

+2

Standards-aligned

Created by

Quevon Spriggs

Used 12+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Beverly is starting a new diet. Her current weight is 160 pounds. She expects to lose 4 pounds per month. If x represents the number of months Beverly is on the diet, which linear function models the situation?

y = 4x − 160

y = − 4x + 160

y=14x+160y=\frac{1}{4}x+160

y = − 4x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ben invests a small amount of money each month for his son's college education in a savings account that compounds interest monthly. If he never takes money out of the account, what does the graph of his investment look like before his son goes to college?

constant

quadratic

exponential decay

exponential growth

Tags

CCSS.HSF-IF.C.7E

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The population of a country is decreasing, and its population (in millions) over six years is shown in the table. Find an exponential regression curve to model this situation.


Hint: USE DESMOS


y=54.3(.918x)y=54.3(.918^x)

y=67.2(.887x)y=67.2(.887^x)

y=72.8(.842x)y=72.8(.842^x)

y=83.9(.903x)y=83.9(.903^x)

Tags

CCSS.HSF.LE.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The amount of money, in dollars, in a savings account after x years is given by M(x) = 900(1.07)x. What does the factor 900 represent?

The original deposit was $900.

The account earns $900 per month.

The account earns interest for 900 months.

The account earns 9 percent interest each year.

Tags

CCSS.HSF.LE.B.5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The exponential function g(x) is shown on the graph. Suppose f(x) = 1. Which statement is true when comparing f(x) to g(x)?

The y-intercept for g(x) is greater than for f(x).

The y-intercept for f(x) is greater than for g(x).

The y-intercept for f(x) is 0, and the y-intercept for g(x) is 1.

The y-intercept for both functions is 1.

Tags

CCSS.HSF-IF.C.7E

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A rectangle's length is 6 units greater than its width. Which type of polynomial function would be most appropriate for modeling the area of the rectangle?

constant

cubic

exponential

quadratic

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which equation would shift the parabola down 3 units?

y = x2

y = x2 - 3

y = x2 + 3

y = (x + 3)2

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