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Phantasy [73]
3 years ago
9

PLEASE HELP ASAP!!! 7th GRADE MATH​

Mathematics
1 answer:
DochEvi [55]3 years ago
6 0
I think the answer is 27.43
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Write the slope-intercept form of the equation of each line given the slope and y-intercept.
saul85 [17]

Answer:

4b. −6x + y = −4

4a. 7x + 4y = −12

3b. y = ½x + 3

3a. y = −6x + 5

2b. y + 2 = −⅔(x + 3)

2a. y - 3 = ⅘(x - 5)

1b. y = -x + 5

1a. y = 5x - 3

Step-by-step explanation:

4.

Plug the coordinates into the Slope-Intercept Formula first, then convert to Standard Form [Ax + By = C]:

b.

2 = 6[1] + b

6

−4 = b

y = 6x - 4

-6x - 6x

_________

−6x + y = −4 >> Standard Equation

a.

4 = −7⁄4[-4] + b

7

−3 = b

y = −7⁄4x - 3

+7⁄4x +7⁄4x

____________

7⁄4x + y = −3 [We do not want fractions in our Standard Equation, so multiply by the denominator to get rid of it.]

4[7⁄4x + y = −3]

7x + 4y = −12 >> Standard Equation

__________________________________________________________

3.

Plug both coordinates into the Slope-Intercept Formula:

b.

5 = ½[4] + b

2

3 = b

y = ½x + 3 >> EXACT SAME EQUATION

a.

−1 = −6[1] + b

−6

5 = b

y = −6x + 5

* Parallel lines have SIMILAR <em>RATE OF CHANGES</em> [<em>SLOPES</em>].

__________________________________________________________

2.

b. y + 2 = −⅔(x + 3)

a. y - 3 = ⅘(x - 5)

According to the <em>Point-Slope Formula</em>, <em>y - y₁ = m(x - x₁)</em>, all the negative symbols give the OPPOSITE TERMS OF WHAT THEY REALLY ARE, so be EXTREMELY CAREFUL inserting the coordinates into the formula with their CORRECT SIGNS.

__________________________________________________________

1.

b. y = -x + 5

a. y = 5x - 3

Just write out the Slope-Intercept Formula as it is given to you.

I am joyous to assist you anytime.

3 0
3 years ago
If P = (3, 1) and Q = (-3, -7), find The distance PO​
Monica [59]

Answer:

10 units

Step-by-step explanation:

Given data

P = (3, 1) and Q = (-3, -7)

x1=3

y1=1

x2= -3

y2= -7

The expression for the distance between two coordinate is

d=√((x_2-x_1)²+(y_2-y_1)²)

Substitute

d=√((-3-3)²+(-7-1)²)

d=√((-6)²+(-8)²)

d=√36+64

d=√100

d=10 units

Hence the distance is 10 units

7 0
3 years ago
Plot the image of point C under a reflection across line
PilotLPTM [1.2K]

When the image of point C is reflected across the line, then it's written as C'.

4 0
3 years ago
I WILL GIVE BRAINLIEST!!!!!!
BabaBlast [244]

Answer:

A budget is a quantitative expression of a plan for a defined period of time. It may include planned sales, volumes, and revenues, resource quantities, costs and expenses, assets, liabilities and cash flows. ( How to make a budget ) figure out your after-tax income. If you get a regular pay-check, choose a budgeting plan. Any budget must cover your needs. ( How to balance it ) Establish your budget before creating a budget review your financial history, separate the necessities from the wants, track your expenses .

Step-by-step explanation:

7 0
3 years ago
Help... WILL GIVE BRAINLESSLY <br><br><br> what is 1029 divided by 89/9 and added to 88910333????
mixer [17]

Step-by-step explanation:

88910334.2834 that is the hard answer

7 0
3 years ago
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