katehoward1 katehoward1

01-02-2016
Mathematics

contestada

If x=4, calculate the value of: x2 +2x

Respuesta :

taskmasters taskmasters

01-02-2016

If x = 4

x² + 2x = 24

Substitute x by its value

4² + 2(4)
16 + 8 = 24

Answer Link

01-02-2016

We simply need to plug in x = 4 into x² + 2x

So plugging in x = 4, we get:

4² + 2(4)

Simplifying it, we get:

16 + 2(4)
16 + 8
24

When x = 4, x² + 2x will equal 24.

Answer Link

Otras preguntas

Points C, D, and G lie on plane X. Points E and F lie on plane Y.Which statements are true? Select three options.

What is the unit of k (spring constant) in SI system?

A suaté pan is wider than it is tall A.reduce the need for seasoning B.Encourage moisture to evaporate C.Allow for greater volume D.Prevent burning

10 points can someone help me please

I need help please !!!!

Read this passage: "Elenita," my mother began as she cleared the table, "did you forget about the fiesta tonight?" "No, María Elena, I did not forget about the

WHEN gEORGE AND aNTHEA WERE MARRIED 120 OF THE GUEST aNTHEA'S FAMILY OR FRIENDS. THIS WAS 60 PERCENT OF THE TOTAL number of guest. How many guest were altogethe

Define the following terms in regards to the brain: ventricles, hemispheres, gyri, sulci, fissures, lobes, cerebral cortex.

it is best to use____ language when creating technical documents

Determine whether the given value is a statistic or a parameter. In a study of all 1580 seniors at a college comma it is found that 40 % own a television. Choos