bellaburgos01 bellaburgos01

04-11-2018
Mathematics

contestada

Evaluate the expression for the given value of the variable(s).

-x2 - 4x; x = –3

Respuesta :

sqdancefan sqdancefan

06-06-2019

Answer:

3

Step-by-step explanation:

There are a significant number of minus signs here. We can simplify it a bit by factoring out -x:

= -x(x +4)

When we substitute x = -3, we get ...

= -(-3)(-3 +4)

= 3(1)

= 3

Ver imagen sqdancefan

Answer Link

Otras preguntas

gasoline can power a car because the fuel has

A line passes throughout (-3,-2) and is perpendicular to 3x-2y=7. What is the equation of the line in slope-intercept form? A. Y=3/2X B. Y=3/2x+4 C. y=-2/3x-4 D

The synthesis of new dna double helix molecules from a pre-existing parent molecule is called

which of the following offers the most complete list of how proteins function in the body A) Energy production, enzyme development, increased reaction speed B)

Choose a sport you like, such as football or gymnastics. Describe how a high level of flexibility would affect your performance in that sport.

Sally found that a solution of x = 2 was extraneous for her function. What would be a possible denominator in Sally's function? 4x + 8; 2x + 12; x^2 - 4; x^2 -

How many pennies are eqivalent to 9 quarters

What do you think a persuasive angle is?

The 1932 presidential election served as a turning point in the way Americans viewed what?

Which expression is equivalent to (82)−4?