yazzielove33 yazzielove33

07-12-2020
Mathematics

contestada

What number would need to be added to both sides in order to complete the square? 3x² + 12x — 15 = 21

Respuesta :

FallenSkyBand FallenSkyBand

07-12-2020

Answer:

4

Step-by-step explanation:

Divide the coefficient of the x term by 2, then square the result. This number will be added to both sides of the equation. For the quadratic equation x2+4x=96, the coefficient of the x term is 4.

Answer Link

Otras preguntas

48 out of 200 is what percent

For a theory on the formation of our Moon to be accepted, it must explain all of the following facts EXCEPT: a. Why the Moon has a lava 'ocean' b. Why the Moon

Sometimes, representative democracy is disapprovingly referred to as the ________ theory of Democracy. a. institutional b. elitist c. popular d. Aristotelian e.

what is the summary about chapter9 in lunch money

what is 26 percent of 2.21

is a tiger diurnal or nocturnal

Which of the following take(s) place during either interphase or mitosis in animal cells? I. Re-formation of nuclear membranes II. Pairing of homologous chromos

Why does dry soil heat up faster than water?

What is the approximate circumference of Circle C? Use pi star times ≈ 3.14. Record your answer to the nearest hundredth. m

Which of the following statements about antibodies is correct? A. Antibodies are polypeptides. B. Antibodies are produced by the bone marrow. C. Antibodies are