1. What are the solutions of the quadratic equation?
x2 + 11x = –24 (1 point)–3, –8
–3, 8
3, –8
3, 8

2. Solve by using tables. Give each answer to at most two decimal places.
–2x2 – 4 = –8x (1 point)0.59, 3.41
–3.41, –0.59
1.17, 6.83
–1.41, 1.41

3. Solve by graphing.
x2 – 6x + 5 = 0 (1 point)
–5, –1

5, 1

–5, –1

5, 1

4. The function y = –16t2 + 224 models the height y in feet of a stone t seconds after it is dropped from the edge of a vertical cliff. How long will it take the stone to hit the ground? Round to the nearest hundredth of a second. (1 point)
0.25 seconds
5.29 seconds
7.48 seconds
3.74 seconds

Question

1.   What are the solutions of the quadratic equation?
x2 + 11x = –24  (1 point)–3, –8
–3, 8
3, –8
3, 8

2.   Solve by using tables. Give each answer to at most two decimal places.
–2x2 – 4 = –8x  (1 point)0.59, 3.41
–3.41, –0.59
1.17, 6.83
–1.41, 1.41

3.   Solve by graphing.
x2 – 6x + 5 = 0  (1 point)
–5, –1

5, 1

–5, –1

5, 1

4.   The function y = –16t2 + 224  models the height y in feet of a stone t seconds after it is dropped from the edge of a vertical cliff. How long will it take the stone to hit the ground? Round to the nearest hundredth of a second.  (1 point) 
 0.25 seconds
5.29 seconds
7.48 seconds
3.74 seconds

anonymous · Answer

Posting one question at a time will get you faster answers.

For #1, you are given a Quadratic equation: $$ax^2 + bx + c$$ So, use the Quadratic Formula.$$x = -b \pm \frac{ \sqrt{b^2-4ac} }{ 2a }$$

anonymous · Answer

oh yea and ill get my answer