Find the zeros of h(x) = -5x2 – 20.

1 answer:

7 0

The answer will be x=2i,-2i

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Paraphin [41]

Answer:

Hello,

Answer A : 11.2 ≤ X ≤ 29.2

Step-by-step explanation:

$Z=\dfrac{X-20.2}{4.5} \\\\X=4.5*Z+20.2\\\\For\ Z=-2, \ X=4.5*(-2)+20.2=11.2\\For\ Z=2, \ X=4.5*2+20.2=29.2\\$

8 0

3 years ago

blagie [28]

Its suposed to be-5+4=-1

8 0

3 years ago

Levart [38]

Answer:

x = 7 x = -6

Step-by-step explanation:

x^2−x−42=0

Factor

What two numbers multiply to -42 and add to -1

-7*6 = -42

-7+6 = -1

(x-7) (x+6) =0

Using the zero product property

x-7 =0 x+6 =0

x = 7 x = -6

8 0

3 years ago

hichkok12 [17]

Answer: The interest is $6384

5 0

3 years ago

Natalka [10]

See, pls, the suggested decision, if it's possible check the arithmetic part.

3 0

3 years ago