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TEKS.MATH.9-12.VII.C

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Mathematics

9th - 12th Grade

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TEKS.MATH.9-12.VII.C
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

Tags

TEKS.MATH.9-12.VII.C

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

y=5000(0.7)x
y=30(5000)x
y=5000(1.3)x
y=5000xx

Tags

TEKS.MATH.9-12.VII.C

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

y=6(0.14)x
y=6(1+14)x
y=6(1.14)x
y=6(0.86)x

Tags

TEKS.MATH.9-12.VII.C

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Write a equation:  A plumber charges $50 for a house call plus $12 per hour for labor.

y = 50 x + 12
y =12 x + 50
y = 62 x
x = 50 + 12y

Tags

TEKS.MATH.9-12.VII.C

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

y=5000(0.7)x
y=30(5000)x
y=5000(1.3)x
y=5000xx

Tags

TEKS.MATH.9-12.VII.C

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A liquid is evaporating. The amount of a liquid remaining, in liters, after x weeks is modeled by the equation y = 100(0.78)x.  Approximately what percent of the liquid evaporates per week?

22%
47%
53%
78%

Tags

TEKS.MATH.9-12.VII.C

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A ball was launched into the air with an initial upward velocity of 100 ft/s. The ball was 5 ft off of the ground when it was launched.The equation for the ball is h(t)= -16t2+100t+5, approximately what is the maximum height?

3 feet

100 feet

161 feet

5 feet

Tags

TEKS.MATH.9-12.VII.C

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