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castortr0y [4]
3 years ago
8

Can someone write the point slope equation

Mathematics
1 answer:
inessss [21]3 years ago
4 0
Point-slope form is one way of describing a straight line. It is useful when you have a line to be described and you know the coordinates of one point on the line and its gradient (slope).

The point-slope form equation of a straight line for a slope, m, and known coordinate (x_1, y_1) is y-y_1=m(x-x_1 ).

So for your question you have <span>(x_1, y_1) = (4, -9)</span> and slope = m = -1. You just put these numbers into the formula y-(-9)=-1(x-4) and this is your answer: the equation of the line.
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Which gives the correct values for points A, B, C, and D?
saveliy_v [14]

Answer:

<em>The correct answer is: A</em>

Step-by-step explanation:

<u>Points on a Numeric Line</u>

The numeric line shown in the figure has four points A, B, C, and D. It's clear that each marked division of the line has a value of 1/4 units and all four points are below the reference zero, thus all are negative.

Point A is clearly on the -2 mark, thus

A=-2

Point B is one mark above A, thus it's located at:

B=-2+\frac{1}{4}=-\frac{7}{4}=-1\frac{3}{4}

B=-1\frac{3}{4}

Point C is one mark below -1, thus:

C=-1-\frac{1}{4}=-1\frac{1}{4}

Finally, point D is one mark below 0:

D=-\frac{1}{4}

The correct answer is: A

5 0
3 years ago
Susan needs to buy 3 helium balloons. She can buy individual balloons for $2.75 each, or a 3-pack of balloons for $7.80. How muc
Mrac [35]

Answer:

15

Step-by-step explanation:

8.25 minus 7.80 is 0.45 45 divided by 3 is 15 so the answer is 15

8 0
3 years ago
The goals against average (A) for a professional hockey goalie is determined using the formula A = 60 a equals 60 left-parenthes
Marina CMI [18]

Answer:

Option 1 - \frac{At}{60}=g

Step-by-step explanation:

Given : The goals against average (A) for a professional hockey goalie is determined using the formula A=60(\frac{g}{t} ). In the formula, g represents the number of goals scored against the goalie and t represents the time played, in minutes.

To find : Which is an equivalent equation solved for g?

Solution :

Solve the formula in terms of g,

A=60(\frac{g}{t})

Multiply both side by t,

At=60g

Divide both side by 60,

\frac{At}{60}=\frac{60g}{60}

\frac{At}{60}=g

Therefore, option 1 is correct.

4 0
3 years ago
Read 2 more answers
How to solve 0.225555555555 into a fraction mental math strategy​
Naddika [18.5K]

Answer:

Convert to a decimal by dividing the numerator by the denominator.

4.43349753 just easy

6 0
3 years ago
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