gheedominique gheedominique

04-08-2017
Mathematics

contestada

what is the value of -2 x^2 +4y if x = -2 and y =3

Respuesta :

kphung76127 kphung76127

04-08-2017

Substitute the values
-2(-2)^2+4(3)
First evaluate the exponent.
-2(4)+4(3)
Then evaluate multiplication.
-8+4(3)
-8+12
Then add.
Final answer:4

Answer Link

Otras preguntas

Which of the following graphs could represent a cubic function?

Factor the polynomial by its greatest common monomial factor.

The areas of two similar triangles are 72dm2 and 50dm2. The sum of their perimeters is 226dm. What is the perimeter of each of these triangles?

How did Earth come to have an oxygen atmosphere? A.Early organisms created oxygen from other gases in the atmosphere

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in A.P.

which behavior is an example of poor self esteem

Read these lines from Denise Levertov's poem "In Thai Binh (Peace) Province": It is that life, unhurried, sure, persistent, I must bring home when I try to brin

In trapezoid ABCD, AC is a diagonal and ∠ABC≅∠ACD. Find AC if the lengths of the bases BC and AD are 12m and 27m respectively.

Can u help me with this I don’t understand it

Two angles are complementary. The larger angle is 36 more than the smaller angle. What is the measure of the larger angle?