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Aliun [14]
3 years ago
12

Solve each equation by graphing. If integral roots cannot be found, estimate the roots by stating the consecutive integers betwe

en which the roots lie. x^2+x-2=0

Mathematics
1 answer:
UkoKoshka [18]3 years ago
5 0

Answer:

x = 1 or   x= -2

Step-by-step explanation:

You have a parabolic function  or you can say quadratic function.

f(x) = x^2 + x - 2 = 0

x^2  + x + (1/4) - (1/4) - 2 = 0

(x + 1/2)^2   - 9/4 = 0

x + 1/2 =  root(9/4)

x + 1/2 = 3/2

x = 1  or -2

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3 years ago
Please help soon!!! Will mark brainliest!!!
BartSMP [9]

REVISED ANSWER.

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Step-by-step explanation:

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Read 2 more answers
Help and explanation if you don’t know don’t answer
Gekata [30.6K]

Answer:

A is false  (Y is far left of 0, so it is a negative. H is close to 0 so it is positive. Y is farther from zero, so it is bigger. For example, Y could be -7, and H could be 3. The sum of -7 and 3, would be -5.

B is false (E is on the left of 0 so it is negative. Y is on the left of zero so it is also negative. Negative divided by a negative is a positive )

C is false  (H is positive and E is negative. Positive times a negative equals a negative.)

D is true (A is close to zero, so it is a small positive number. H is farther from zero, so it is a larger positive number. For example, A can be 2 and H can be 5. So, 3 - 5 would equal a negative.)

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Step-by-step explanation:

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