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2 years ago

Which equation represents a proportional relationship? A = y = -3x + 2 B = y = -2x +4 C = y = 4x D = y = x + 7

Mathematics

1 answer:

Ratling [72]2 years ago

4 0

Answer:

Step-by-step explanation:

The equation of a proportional relationship:

$y=ax\to\dfrac{y}{x}=a=const.$

a - the constant of proportionality.

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Write an equation point slope form for the line that goes through the given point with the given slope.

Aleksandr-060686 [28]

Y - y1 = m(x - x1)
slope(m) = -1/2
(-4,-2)...x1 = -4 and y1 = -2
now we sub
y - (-2) = -1/2(x - (-4) =
y + 2 = -1/2(x + 4) <=====

3 0

2 years ago

F(x) = -3(x - 1)2 + 3 How do you turn it into standard form

Zepler [3.9K]

Answer:

$\displaystyle \boxed{f(x) = 6x - 3x^2}$

Step-by-step explanation:

f(x) = −3(x² - 2x + 1) + 3

f(x) = −3x² + 6x - 3 + 3

f(x) = −3x² + 6x

** The above answer is written in reverse, which is the exact same result.

I am joyous to assist you anytime.

7 0

3 years ago

If f(x) = -5, then f(-3)=

vitfil [10]

Answer:

f(-3)= -5

g(4)= 7

Step-by-step explanation:

here f(x)= -5, clearly it's not depending on 'x' ,so it will have same value,for all x

i.e, f(-3) is also -5

and, g(x)=2x-1

to get g(4) put x=4 in 2x-1

i.e, (2×4)-1 =7

✌️:)

7 0

2 years ago

What set of transformations are applied to parallelogram ABCD to create A'B'C'D'?

denpristay [2]

Answer:

Reflected over the x-axis and rotated 90° counterclockwise

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

You have a 1-gallon paint can in the shape of a cylinder. One gallon is 231 cubic inches. The radius of the can is 3 inches. Wha

aleksandr82 [10.1K]

Answer:

The approximate height of the paint can is 8.2 in

Step-by-step explanation:

we know that

The volume of the cylinder ( can of paint) is equal to

$V=\pi r^{2} h$

we have

$V=231\ in^{3}$

$r=3\ in$

$\pi=3.14$

Substitute the values and solve for h

231=(3.14)(3)^{2} h

h=231/(3.14*9)=8.2 in

3 0

2 years ago

Read 2 more answers