13) What is the range of y = 2x2 + 8x – 13? A) y = all real #s
B) y >= -21
C) y <= 2
D) y <= -13
16) What is the y-intercept of y = x2 – 12x + 32
A) -12
B) 6
C) 0
D) 32
18) Which terms represent the x-intercept in a Quadratic Function? Choose all that apply
A) vertex
B) root
C) axis of symmetry
D) zero
E) solution
19) What are the x-intercepts for y = x2 – 9x + 20? Choose all that apply:
A) 0
B) 5
C) 20
D) 4
E) 9

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

6.(q^9)^2 a. 2q^18 b. q^18 c. q^81 d.q^11 7.(6q^6)^-4 a. 6q^1296 b. 1296q^2 c. 1/1296q^24 d. 6q^-24 8. what is the value of 12x^-3 y^-1 for x = -1 and y = 5? a. -12/5 b.-10 c.-0 d.5/12 9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?