Georgia Algebra 1 EOC Review Unit 3

Which expression is equivalent to $121x^2-64y^2$  

• (11x-16y)(11x+16y)

• (11x-16y)(11x-16y)

• (11x+8y)(11x+8y)

• (11x+8y)(11x-8y)

 $24x^2+16x+144$  

What is the common factor for the expression:

• 16

• 8

•  $3x^2+2x+18$  

•  $8\left(x-2\right)\left(3x^2+9\right)$  

 $2x^2+x-3$  

What are the zeros of the function represented by the quadratic expression:

•  $x=-\frac{3}{2}and\ x=1$  

•  $x=-\frac{2}{3}\ and\ x=1$  

•  $x=-1\ and\ x=\frac{2}{3}$  

•  $x=-1\ and\ x=-\frac{3}{2}$  

What is the vertex of the graph of: $f\left(x\right)=x^2+10x-9$  

• (5,66)

• (-5,-9)

• (5,-9)

• (-5,-34)

 $x^2+8x-30$  

Which of these is the result of completing the square for the expression?

•  $\left(x+4\right)^2-30$  

•  $\left(x+4\right)^2-46$  

•  $\left(x+8\right)^2-30$  

•  $\left(x+8\right)^2-94$  

 $x^2+10x-24$  

Which of the following is a binomial factor of the polynomial?

• (x+4)

• (x-12)

• (x-4)

• (x+12)

Factor the trinomial: $x^2+6x-40$  

•  $\left(x+8\right)\left(x-5\right)$  

•  $\left(x+10\right)\left(x+4\right)$  

•  $\left(x-10\right)\left(x+4\right)$  

•  $\left(x+12\right)\left(x-6\right)$  

If the original parabola is defined by $y=x^2$  how would it change  $y=2\left(x-3\right)^2+1$  were graphed instead

• The parabola would be vertically stretched by a factor of 2, tanslated right 3, up 1

• The parabola would be vertically compressed by a factor of 1/2, translated left 3, down 1

• The parabola would be vertically compressed by a factor of 1/2, translated right 3, down 1

• The parabola would be vertically stretched by a factor of 2, translated left 3, up 1

A baseball is hit by a batter. The function $h\left(t\right)=-16t^2+48t+2$  describes the height in feet of the baseball as a function of time, t, in seconds. What is the maximum height of the ball? 

• 16ft

• 38ft

• 48ft

• 50ft

How would shift the parent function $y=x^2$  to graph the function  $y=\left(x-4\right)^2+5$  

• The function would be shifted 4 units to the right and 5 units down.

• The function would be shifted 4 units to the right and 5 units up

• The function would be shifted 5 units to the right and 4 units down

• The function would be shifted 5 units to the left and 4 units up.