Graph each equation on your graphing calculator and identify the vertex of each function:
1. y=4(x-2)^2
2. f(x)=(x+1)^2 +2
3. . f(x) = x^2 - 4x + 5
4. . f(x) = -2x^2 + 4x - 3
5. y = x^2 + 5x - 14

6. A ball is dropped from the top of a building. The distance in meters above the ground y of the ball after t seconds can be modeled by the equation
y = -9.8t^2 + 100.
a. What is the y-intercept of the equation?
b. Describe the meaning of the y-intercept of the graph of the equation.

Factor each expression:
7. x^2 + 3x - 54
8. x^2 + 10x + 24
9. 25x^2 - 36
10. 3x^2 - 9x

Question

Graph each equation on your graphing calculator  and identify the vertex of each function: 
1.   y=4(x-2)^2
2. f(x)=(x+1)^2 +2
3. . f(x) = x^2 - 4x + 5
4. . f(x) = -2x^2 + 4x - 3
5. y = x^2 + 5x - 14

6. A ball is dropped from the top of a building. The distance in meters above the ground y of the ball after t seconds can be modeled by the equation
y = -9.8t^2 + 100.
a. What is the y-intercept of the equation?
b. Describe the meaning of the y-intercept of the graph of the equation.

Factor each expression:
7. x^2 + 3x - 54
8. x^2 + 10x + 24
9. 25x^2 - 36
10.  3x^2 - 9x

anonymous · Answer

11. x^2 - 15x + 56
12. 4x^2 + 28x + 49

Solve each equation by factoring: 
13. 2x^2 + 4x = 0
14. . 4x^2 - 100 = 0
15. x^2 – 2^x + 1 = 0
16. x^2 - 9 = 0
17. x^2 - 6x - 16= 0
18. 5x^2 + 23x - 10 = 0

anonymous · Answer

pleasse help!!