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3 years ago

Please help ive been stuck on this since yesterday

Mathematics

2 answers:

Anit [1.1K]3 years ago

8 0

Remember that the slope intercept formula is:

y = mx + b

m is the slope

b is the y-intercept

In this case the slope (m) is -3 and the y-intercept (b) is 4

Your equation is:

y = -3x + 4

Hope this helped!

~Just a girl in love with Shawn Mendes

Mrac [35]3 years ago

3 0

$\huge{\boxed{y=-3x+4}}$

Slope-intercept form is $y=mx+b$ , where $m$ represents the slope and $b$ represents the y-intercept.

Substitute in the values. $\boxed{y=-3x+4}$

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3 years ago

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3 years ago

A line crosses through the point (3,10) and another point can be found on the line by going right 2 and down 7. find slope and y

DerKrebs [107]

Answer:

y = $\frac{-7x}{2}+\frac{41}{2}$

Step-by-step explanation:

We are given the point (3, 10).

The second point is 2 on the x-axis and -7 on the y-axis. So our second point is: (3 + 2, 10 - 7) which is (5, 3).

Our formula for slope is m = $\frac{rise}{run}$ = $\frac{y2-y1}{x2-x1}$

So, our equation would be $\frac{3-10}{5-3}$ = $\frac{-7}{2}$

Using the standard formula of a line, y = mx + b, we can substitute for the slope, m.

y = $\frac{-7x}{2}$ + b

Now, we can substitute a point on the line to determine the y-intercept:

Using the point (3, 10),

10 = $\frac{-7(3)}{2}$ + b

b = 10 + $\frac{21}{2}$

b = $\frac{41}{2}$

So our full equation is: y = $\frac{-7x}{2}+\frac{41}{2}$

3 0

2 years ago

Please help ive been stuck on this since yesterday ​

Please help ive been stuck on this since yesterday