Math 1 1st quarter review

1. A club began with 3 members. Each month, each member brought one new member. Which function can be used to determine the number of members x months after the club began?

• f(x) = 2x + 3

• f(x) = 3x + 1

• f(x) = 1.5(2)x

• f(x) = 3(2)x

Tags

CCSS.HSF.LE.A.2

2. The function a(n) = 3n – 7 represents the value of the nth term in a sequence. What is the sum of the 1st and 5th terms of the sequence?

• 4

• 10

• -4

• 8

Tags

CCSS.HSF.BF.A.2

3.1.     The population of Barnardsville in 2014 was estimated to be 24,000 people with an annual rate of increase (growth) of about 2.4%. Which function would give you the estimated total population, y, of Barnardsville in 2021?

• y = 24000 (1 + 2.4)⁷

• y = 24000 (1 +.024)⁷

• y = 24000 (1+ 2.4)²¹

• y = 24000 (1 + .024)²¹

Tags

CCSS.HSF.LE.A.2

Which function can represent the sequence

5, 9, 13, 17, 21, ...

• f(n) = 5n + 4

• f(n) = 4n +1

• f(n) = 4n + 5

• f(n) = 5n + 1

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

Which sequence models

f(n) = f(n-1) * 3 ; f(1) = 4

• 4, 7, 10, 13

• 3, 12, 48, 192

• 4, 12, 36, 108

• 4/3, 4, 12, 36

Tags

CCSS.HSF.IF.A.3

What is the slope of the line?

• m = 2

• m = -2

• m = 1/2

• m = -1/2

Tags

CCSS.8.EE.B.5

What is the equation of the line that goes through the points

N ( -3 , 2) and P (6 , 8)?

• y = 3/2 x - 1

• y = 2/3 x + 4

• y = 2/3 x -1

• y = 3/2 x + 4

Tags

CCSS.HSA.CED.A.2

Rewrite 7x - 3y = 12 in slope intercept form. (do not use any spaces)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

The cost for a gym membership can be represented by y = 30x + 100. With x being the number of months. What does the y-intercept mean in this situation?

• the membership fee

• the cost of a year at the gym

• the cost per month

• how many members go to the gym

Tags

CCSS.HSF.LE.B.5

• $145

• $130

• $540

• $640

Tags

CCSS.HSF.LE.B.5