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Spiral Review #2

Authored by Ashley McNamara

Mathematics

9th Grade

CCSS covered

Used 7+ times

Spiral Review #2
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11 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

Media Image

A ball was launched into the air, and its height above the ground was recorded each second, as shown in the table.

Based on the data, which statement is a valid conclusion?

The ball lands on the ground at 4 seconds.

The ball reaches a maximum height of 11 feet.

The ball was launched from a height of 0 feet.

The ball reaches its maximum height at 2 seconds.

Answer explanation

Media Image

vertex @ 2 seconds

2.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

On an island, a rare breed of rabbit doubled its population each month for two years.

Which type of function best models the increase in population at the end of two years?

linear growth

linear decay

exponential growth

exponential decay

Answer explanation

Key Word: DOUBLED

means exponential growth

3.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

Media Image

Lidnsey can run 400 meters in 43.03 seconds.

Which calculation would determine her average speed, in miles per hour?

**Hint: units in numerator must cancel with units in denominator

(1)

(2)

(3)

(4)

Answer explanation

Media Image

Tags

CCSS.6.RP.A.3D

4.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

2(3x - 1)(3x + 1)

(3x - 1)(6x + 2)

Answer explanation

Media Image

Tags

CCSS.HSA.APR.C.4

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

d = 3

d = 2.4

d = 4

d = 2

Answer explanation

Media Image

Tags

CCSS.HSF.BF.A.2

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Determine the 21st term of this sequence.

**Hint: use the Arithmetic Sequence formula on the reference sheet!*

54

89

45

65

Answer explanation

Media Image

Tags

CCSS.HSF.BF.A.2

7.

MULTIPLE CHOICE QUESTION

15 mins • 2 pts

Graph the system of inequalities on the set of axes.

3y + 2x ≤ 15

y - x > 1

Which of the following coordinates is a point in the solution to this system?

**Hint: solve for y in both inequalities first!

(0, 0)

(5, 5)

(-3, 1)

(-3,-5)

Answer explanation

Media Image

Check your graph!! :)

Tags

CCSS.HSA.REI.D.12

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