3 years ago

PLEASE HELP QUICK What are the solutions for x when y is equal to 0 in the quadratic function

Mathematics

2 answers:

Tanya [424]3 years ago

8 0

x = -9 and x = 8 when y = 0 is the answer

vova2212 [387]3 years ago

5 0

Answer: x= -9,8

Step-by-step explanation:

x=?

y=0

y=x^2+x-72

0=x^2+x-72

0=(x+9)(x-8)

x+9=0 x-8=0

-9 -9 +8 +8

x= -9 x=8

You might be interested in

Least to greatest 1.1,0.138,1.412,and 1.414213

gizmo_the_mogwai [7]

Least to greatest:

0.138, 1.1, 1.412, 1.414213.

5 0

3 years ago

What percent increase is 21% over 76%

Neporo4naja [7]

Answer:= 261.905% increase

Solution:
Calculate percentage change
from V1 = 21 to V2 = 76
(V2−V1)|V1|×100
(V2−V1)|V1|×100
=(76−21)|21|×100
=(76−21)|21|×100
=5521×100
=5521×100
=2.61905×100
=2.61905×100
=261.905%change
=261.905%change
=261.905%increase

3 0

3 years ago

Simplify (7x) - (-2x). O 5x 0 -5x O 9x 0-9x NEXT QUESTION 2 ASK FOR UEL

marysya [2.9K]

Answer:

Step-by-step explanation:

Since you are subtracting a negative from a positive you would get 9

3 0

3 years ago

Jerome solves the inequality y–2 ⩽ 9 in one step, writing y ⩽ 11 as the solution. What property best justifies the step he used

DedPeter [7]

The answer is b because he added 2

8 0

3 years ago

Anyone have any idea what it could be?

Ronch [10]

The answer is B because 90 to 30 is 3 over 2

4 0

3 years ago