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1 year ago

PLEASE ANSWER THIS QUESTION

Mathematics

1 answer:

iVinArrow [24]1 year ago

7 0

Answer: im pretty sure its d

Step-by-step explanation:

dhgfldfglijhbfg

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Perform the indicated operation.

ivann1987 [24]

Answer:

27+4x

Step-by-step explanation:

First bracket :9×2-4×2+2x+3=18-8+2x+3,second bracket :answer =-1-6x+5 combine both and get :27+4x

4 0

2 years ago

What is the quotation -4/5 divided by 2

rodikova [14]

Answer:

-0.4

Step-by-step explanation:

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1 year ago

Read 2 more answers

f(x) is a quadratic function with x-intercepts at (−1, 0) and (−3, 0). If the range of f(x) is [−4, [infinity]) and g(x) = 2x^2

iren2701 [21]

Answer with Step-by-step explanation:

We are given that function f(x) which is quadratic function.

x -intercept of function f(x) at (-1,0) and (-3,0)

x-Intercept of f means zeroes of f

x=-1 and x=-3

Range of f =[-4, $\infty$ )

g(x)= $2x^2+8x+6=2(x^2+4x+3)$

$g(x)=0$

$2(x^2+4x+3)=0$

$x^2+4x+3=0$

$x^2+3x+x+3=0$

$x(x+3)+1(x+3)=0$

$(x+1)(x+3)=0$

$x+1=0\implies x=-1$

$x+3=0\implies x=-3$

Therefore, x-intercept of g(x) at (-1,0) and (-3,0).

Substitute x=-2

$g(-2)=2(-2)^2+8(-2)+6=8-16+6=-2$

$g(x)=2(x^2+4x)+6$

$g(x)=2(x^2+2\times x\times 2+4-4)+6=2(x^2+2\times x\times 2+4)-8+6$

$g(x)=2(x+2)^2-2$

By comparing with the equation of parabola

$y=a(x-h)^2+k$

Where vertex=(h,k)

We get vertex of g(x)=(-2,-2)

Range of g(x)=[-2, $\infty$ )

Zeroes of f and g are same .

But range of f and g are different.

Range of f contains -3 and -4 but range of g does not contain -3 and -4.

f and g are both quadratic functions.

3 0

2 years ago

Write the equation of the line in slope- intercept form: 9y-27x=18

PilotLPTM [1.2K]

The slope-intercept form:

$y=mx+b$

$9y-27x=18$ add 27x to both sides

$9y=27x+18$ divide both sides by 9

$\boxed{y=3x+2}$

4 0

2 years ago

What is the following product?

Ivenika [448]

Answer:

The third one.

Step-by-step explanation:

3 0

2 years ago