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Alex777 [14]
3 years ago
9

Solve the equation 4x^2 + 24x + 13 = 2x^2+ 6x to the nearest tenth.

Mathematics
1 answer:
Licemer1 [7]3 years ago
6 0

Answer:

-0.8 and -8.2

Step-by-step explanation:

To solve a quadratic you first need to have one side of the equation equal to zero (because x-intercepts are when y is zero).

4x^2 + 24x + 13 = 2x^2 + 6x

2x^2 + 18x + 13 = 0

Then you can use the quadratic formula to solve for x. You will then come to

-18 ± sqrt(220) / 4

This will simplify out (rounding to the nearest tenth) to -0.8 and -8.2

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