TEKS.MATH.9-12.II.C

You have $137.26 in a bank account. The bank requires you to have at least $50 in your account or else you are charged a fee. Write and solve an inequality that shows the amount you can write your next check for without being charged.

• x < $87.26
• x ≥ $76.51
• x ≤ $87.26
• x ≤ $187.26

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TEKS.MATH.9-12.II.C

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15
• c=18
• c=21
• c=16

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TEKS.MATH.9-12.II.C

Find all zeros for the polynomial function
Factor by grouping and then set = 0 to find zeros.
P(x) = x³ -3x²-5x+15

• 3, √5 
• 3, √5, -√5
• -3, √5, -√5
• -3, 5i, -5i

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TEKS.MATH.9-12.II.C

-4x + 14 ≤ 54

• x ≥ - 10
• x ≤ -10
• x ≥ 10
• x ≤ 10

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TEKS.MATH.9-12.II.C

6x + 2 + 6x < 14

• x < 1
• x > 1
• x < -1
• x > -1

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TEKS.MATH.9-12.II.C

Convert the polar equation to rectangular form.
 $r=-4\sin\theta$ 

•  $\left(x-2\right)^2+\left(y-1\right)^2=5$ 

•  $\left(x-1\right)^2+\left(y-3\right)^2=10$ 

•  $\left(x+1\right)^2+\left(y-2\right)^2=5$ 

•  $x^2+\left(y+2\right)^2=4$ 

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TEKS.MATH.9-12.II.C

Solve the following exponential equation.

 $9^{8-x}=27^{x-3}$  

•  $x=5$  

•  $x=-5$  

•  $x=\frac{1}{5}$  

•  $x=-\frac{1}{5}$  

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TEKS.MATH.9-12.II.C

Which inequality represents:

Twice the sum of a number and 2 is fewer than three times the same number minus 8

• $2\left(x+2\right)<3x-8$

• $2x+2<3x-8$

• $2\left(x+2\right)\le3x-8$

• $2x+2\le3x-8$

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TEKS.MATH.9-12.II.C

Solve using elimination.

4x + 8y = 20

-4x + 2y = -30

• (-7,1)

• (2,-5)

• (-2,5)

• (7,-1)

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TEKS.MATH.9-12.II.C

log₅(4x-7)=log₅(x+5)

• 3
• 12
• 4
• 7

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TEKS.MATH.9-12.II.C