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

What term was given to new attempts to use economic means to influence policy in Latin American nations that were no longer colonies? A. Neocolonialism B

A rectangle has four ____ angles. a. 90° c. 60° b. 80° d. 360°

Experts believe the neolithic agricultural revolution began:

Can anyone tell me any STEM (Science, technology, engineering, math) innovation competition going on now?

Which two statements are true for the cross illustrated by this Punnet square? ( Can be more than one answer) A. The P1 generation is hybrid. B. The allele for

If i was born in 2005 how old would i be in 2014

Yellow journalism relied on exaggeration and ___________.

What gives NATO faith that they are prepared for a possible confrontation?

Demand-pull inflation occurs when

What should be avoided in the conclusion of the expository essay? A. restating the thesis B. factual information C. introducing new information D. support