TEKS.MATH.8.8C

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.8.8C

²/₃(5x + 6) = 34

• 51
• 45
• 8
• 9

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TEKS.MATH.8.8C

Solve the equation for w.  
^{x = w / a}

• w = a / x
• w = x / a
• w = ax
• x = wa

Tags

TEKS.MATH.8.8C

19  + a  =  -50

• a = -950
• a =  -69
• a = -31
• a = -50/19

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TEKS.MATH.8.8C

Solve the equation
-8x - 8 + 3(x - 2) = -3x + 2

• x = -8
• x = 8
• x = 2
• x = -2

Tags

TEKS.MATH.8.8C

Taxi company A charges $8.00 to get into the cab and $0.75 per mile. Taxi company B charges $6.00 to get into a cab and $1.25 per mile. How many miles would the cost be the same for both companies? 

• 2 miles 
• 4 miles
• .50 mile
• -4 miles 

Tags

TEKS.MATH.8.8C

16 - 4a > 8

• a<-2
• a>-2
• a<2
• a>2

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TEKS.MATH.8.8C

−3(10 + 4v) = −6(5 − 9v)

• 22
• -14
• 0
• 20

Tags

TEKS.MATH.8.8C

2k² - 37 = 61

• -98 and 98
• -49 and 49
• -7 and 7
• 7

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TEKS.MATH.8.8C

Solve:

• 3

• 4

• -7

• 15

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TEKS.MATH.8.8C