What is the factored form of the function shown in the graph?
1 point
1
Question 2
2.
What are the solutions of the equation 3x^{2}+2x-8 = 0?
1 point
1
Question 3
3.
What are the x-intercepts of the graph y=x^{2}+2x-15?
1 point
1
Question 4
4.
If the vertex of a parabola is always located halfway between the x-intercepts, what are the coordinates of the vertex of the parabola y=x^{2}+2x-15?
1 point
1
Question 5
5.
Solve the equation by factoring:
2r^{2}+5r-11=-13
1 point
1
Question 6
6.
A 20\textrm{ ft}\times 10\textrm{ ft} stage is bordered on three sides by "backstage" and "wing" space that is x feet wide. The overall dimensions of the combined lot and walkway are 20 \textrm{ ft}\times 10 \textrm{ ft}. The combined area is 450\textrm{ ft}^{2}. What is the value of x?