2 years ago

The sum of a number and its square is 2. Find the number(s).

1 answer:

6 0

Let x represent the number.
.. x^2 +x = 2
.. x^2 +x +1/4 = 9/4 . . . . add 1/4 to complete the square
.. x +1/2 = ±3/2 . . . . . . . .square root
.. x = -2, 1

Numbers meeting that requirement are -2 and 1.

You might be interested in

Jeremy has two pieces of what one is 90 inches and the other is 72 inches he want to cut the pieces of wood in the smaller piece

shusha [124]

The gcf of 90 and 72 is 18, so i divided both of them by 18 and i got 4 and 5, in total he would 9 pieces of wood

5 0

3 years ago

Tyler randomly pulls a colored marble from a bag of mixed colored marbles. He puts the marble back in the bag. He then pulls out

nadezda [96]

Brainliest? The outcome of the second selection is not affected in any way by the outcome of the first selection. Therefore the events are independent.

6 0

2 years ago

Read 2 more answers

A. -3<br> B. -4<br> C. -2 and 1<br> D. 0

Alinara [238K]

When x=1 and -2 so it is C

8 0

3 years ago

Read 2 more answers

Simplify 1.5m7(-4m5)2

ANTONII [103]

ANSWER: -12m12

I’m positive I’m correct, Good luck!