keannaspam7 keannaspam7

04-08-2020
Mathematics

contestada

Solve the following non-linear system of equations algebraically.
y = - 2x² - 4x + 5 and
y = 2x^2 + 4x + 5

Respuesta :

raskolnikov raskolnikov

04-08-2020

Answer:

x = -2

Step-by-step explanation:

since y is common in both equations, you can equate them to be equal

-2x² - 4x + 5 = 2x² + 4x + 5

4x² + 8x = 0

factor out 4x

4x(x + 2) = 0

divide both sides by 4x

x + 2 = 0

x = -2

Answer Link

Otras preguntas

The enforcement act of 1870

Inflation is most harmful to what a. debtors b. creditors c. wage earners d. property owners

Which financial policy would a wealthy, northern industrialist have been MOST LIKELY to support in the late 1800s? Out of A) the Gold Standard B) the Monr

Dividin a number by 10 exponent, how is the decimal point moved

The seventh grade class is putting on a variety show to raise money. It cost $700 to rent the banquet hall that they are going to use. If they charge $15 for ea

How to find the limit [tex] \lim_{n \to \infty} \frac{1}{n^{k+1}} (k!+ \frac{(k+1)!}{1!} +...+\frac{(k+n)!}{n!}), ~~~k\in N[/tex]

What is 93 percent of 24??

You put $500 in an interest bearing bank account that pays 2% per year but has a fee of $2 per month. are you getting ahead?

A chemical bond formed when atoms share three pairs of electrons is __________.

Write 27/64 in the simplest form