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3 years ago

Which of the following is a correct factorization of this trinomial?

Mathematics

2 answers:

Harrizon [31]3 years ago

6 0

Answer:

explain

= -4x^2-11x-6

= -4x^2-8x-3x-6

= -4x(x+2)-3(x+2)

= (x+2) (-4x-3)

= -(4x+3) (x+2)

katovenus [111]3 years ago

3 0

Answer:

Step-by-step explanation:

Step 1: Find the factors of 4 and -6

-4x² +11x-6

-4x 3

1x -2

(This works because -4 x -2 multiple to 8 and 3 x 1 gives you 3 and when you add it up it gives you the 'b' term)

Step 2: Read the numbers from left to right starting from the top to bottom

(-4x+3)(1x-2)

Therefore the answer to the question is D.

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A line passes through the point (1, 5) and has a slope of -9.

vladimir1956 [14]

Answer:

y= -9x+14

Step-by-step explanation:

the equation of a straight line is y=mx+c

m is the slope

And we are given a y and x term

So we substitute these into the equation:

5= -9(1) + c

rearragne to find c

14= c

so the full equation is:

y= -9x+14

8 0

2 years ago

the highest recorded temperature was 134 degrees fahrenheit. The lowes is -128.6 degrees fahrenheit. What is the difference betw

Mazyrski [523]

Answer:

263.4 degree difference

Step-by-step explanation:

134+.4

134.4+128=262.4

8 0

3 years ago

I need this answer ASAP please! The rectangle in the figure is composed of six squares. Find the side length of the largest squa

Sladkaya [172]

Answer:

Step-by-step explanation:

the side length of the largest square is x

2x-1=3x-8

-x=-7

x=7

3 0

3 years ago

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Simplify (5x^3 - 7x^2 + 3x - 4) - (8x^3 + 2x^2 + 3x - 7)

muminat

Answer:

-3x^4 - 14x^3 + 3x^2 - 10

Step-by-step explanation:

6 0

3 years ago

Ben made a model (shown below) of the square pyramid he plans to build when he grows up.

elena-s [515]

Answer:

$336 m^2$

Step-by-step explanation:

The surface area of a square pyramid is the sum of the area of the squared base + 4 times the area of each triangular face, therefore:

$A=A_b + 4A_t$

where:

$A_b=L^2$ is the area of the base, where

L is the length of the base

$A_t=\frac{1}{2}Lh$ is the area of each triangular face, where

h is the height of the face

Substituting,

$A=L^2+2Lh$

For the model in this problem,

L = 12

h = 8

Therefore, the surface area here is:

$A=12^2 +2(12)(8)=336$

4 0

3 years ago

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