Semester A Exam Review 1

Suppose you went to a carnival. The price to get in was $4, and you paid $.50 to get on each ride. If you went to the carnival and rode 7 rides, how much did you spend?

• $11.50

• $7.50

• $9

• $3.50

Name the property of real numbers illustrated by the equation.

• Associative Property of Addition

• Commutative Property of Addition

• Associative Property of Multiplication

• Distributive Property

Solve the compound inequality.

  4x + 15  $\ge$  -9  and 8x - 6  $\le$  34

• x  $\ge$  6 and x $\le$  4

• x $\ge$  -6 and x  $\le$  -5

• x $\ge$  -6 and x $\le$  5

• x $\ge$  6 and x $\le$  5

|3x + 2| = 2

• x = 1 or x = $\frac{4}{3}$

• x = 0 or x = $\frac{4}{3}$

• x = 0 or x = - $\frac{4}{3}$

• x = 1 or x = - $\frac{4}{3}$

What is the solution set to the following system?   $x\ +\ y\ =\ 5$   $x^2\ +\ y^2\ =\ 25$  

• (0, 5), (-5, 0)

• (0,5) , (-5, 0)

• (0,-5), (5,0)

• (0,5), (5,0)

What are the zeroes of the function?

y =(x+3)(x + 2)(x - 2)

• -3, -2, 2

• -3, -2, -2

• 3, 2, 2

• 3, 2, -2

 $x^4\ +\ 5x^3\ +\ 7x^2\ -\ 3x\ -\ 10\ =\ 0$  Find the rational roots of

• -2, 1

• 2, 1

• -2, -1

• , -1

 $12x^2\ -\ 64\ =\ -x^4$ 

 Find all the zeroes of the equation above.

• 2, -2, 4i, -4i

• 2, -2, 4i, -4i, 0

• 2, 4i

• -2, -4i

 $\left(s\ +\ 4v\right)^5$  

Use the binomial theorem to expand the binomial above.

•  $s^5\ -\ 20s^4v\ +\ 160s^3v^2\ -\ 640sv^4\ -1024v^5$  

•  $s^5\ +\ 20s^4\ +\ 160s^3\ +\ 640s^2\ +\ 1280s\ +\ 1024$  

•  $s^{5\ }+20s^4v\ +\ 160s^3v^2\ +\ 640s^2v^3+1280sv^4\ +\ 1024v^5$  

•  $s^5\ +20s^4v\ +\ 80s^3v^2\ +\ 640sv^4+\ 1024v^5$  

An initial population of 298 quail increases at an annual rate of 8%. Write an exponential function to model the quail population. What will the approximate population be after 3 years?

• $f\left(x\right)\ =\ 298\left(1.08\right)^x;\ 375$

• $f\left(x\right)\ =\ 298\left(0.08\right)^x;\ 153$

• $f\left(x\right)\ =\ 298\left(8\right)^x;\ 305$

• $f\left(x\right)\ =\ \left(298\ \cdot1.08\right)^x;\ 324$