Math I EOC Review Calc. Inactive

Jessica graphed a quadratic function that has a vertex of (-0.5-4.5) and zeros of -2 and 1. Which is the function that Jessica graphed?

• $y=-2x^2+2x+4$

• $y=-2x^2+2x-4$

• $y=2x^2+2x\ +4$

• $y=2x^2+2x-4$

A system of inequalities is below.

 $y>4$  

 $y\le2x+1$  
What is the solution to the system?

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What is the solution to the equation? $2\left(8r-7\right)-3\left(r-1\right)=$  

•  $13r-17$  

•  $13r-13$  

•  $13r-11$  

•  $13r-8$  

Which expression is equivalent $\left(2x^2+3x-4\right)-\left(x^2-2x+4\right)$  

•  $x^2+5x-8$  

•  $x^2+x$  

•  $x^2-5x+8$  

•  $3x^2+x$  

What is the equation of the line that is parallel to 6x – 2y = 4 + 6y and passes through the point (8, -16)?

• $y=-\frac{4}{3}x-\frac{16}{3}$

• $y=-\frac{3}{4}x-16$

• $y=\frac{3}{4}x-22$

• $y=\frac{4}{3}x-\frac{64}{3}$

Two functions are shown below.
 $f\left(x\right)=20X+4$  
 $g$$g\left($$$$$$x\right)=8\left(2\right)^$$$$x$$$$$$$  
What is the smallest positive integer for which the value of  $g\left(x\right)$  exceeds the value of  $f\left(x\right)?$  

• 2

• 3

• 4

• 5

A profit is described by the equation $P\left(x\right)=-5x^2+300x+15000,$  where x is the price in dollars that the company charges for its product.  What should the company charge for the product to generate the maximum profit?

• $20

• $30

• $50

• $60

The measures of the acute angles of the right triangle below are represented by x and y. In this triangle, is 15 less than twice x.

Which system of equations be used to solve for x and y?

• $x+y=90$
  $2x-y=15$
  

• $x+y=90$
  $x-2y=15$
  

• $x+y=180$
  $2x-y=15$
  

• $x+y=180$
  $x-2y=15$
  

Ruby bought an animal bank for her nephew. She is the only one who puts money in the bank, and no money is taken out. The function $f\left(v\right)=10+2v$  describes the amount in the bank after  $v$  visits with her nephew.  Which statement is true?

• Ruby puts $2 in the bank each visit.

• Ruby puts $10 in the bank each visit.

• There was $2 in the bank before the first visit.

• There was $12 in the bank before the first visit.

The length of the top of a rectangular-shaped deck is 6 meters longer than its width. If the area of the top of the deck is 72 square meters, what is its length in meters?

• 6

• 12

• 15

• 21