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WARRIOR [948]
3 years ago
13

Write an equation of a line in slope intercept form that passed through (-8,4) and has a slope of 12

Mathematics
1 answer:
Marrrta [24]3 years ago
5 0
The y intercept (b) = 4 and the slope (m) is 12

y = mx + b   so its:-

y = 12x + 4
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What is the ratio of 63 sit ups in 3 1/2 minutes
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The ratio would look like 63:3.5, if simplified it would look like 18:1
4 0
3 years ago
Determine if the following system of equations has no solutions 4x+3y= -8 -8x-6y= 16
cupoosta [38]

\begin{cases} 4x+3y=-8\\\\ -8x-6y=16 \end{cases}~\hspace{10em} \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array} \\\\[-0.35em] ~\dotfill

4x+3y=-8\implies 3y=-4x-8\implies y=\cfrac{-4x-8}{3}\implies y=\stackrel{\stackrel{m}{\downarrow }}{-\cfrac{4}{3}} x-\cfrac{8}{3} \\\\[-0.35em] ~\dotfill\\\\ -8x-6y=16\implies -6y=8x+16\implies y=\cfrac{8x+16}{-6} \\\\\\ y=\cfrac{8}{-6}x+\cfrac{16}{-6}\implies y=\stackrel{\stackrel{m}{\downarrow }}{-\cfrac{4}{3}} x-\cfrac{8}{3}

one simple way to tell if both equations do ever meet or have a solution is by checking their slope, notice in this case the slopes are the same for both, meaning the lines are parallel lines, however, notice both equations are really the same, namely the 2nd equation is really the 1st one in disguise.

since both equations are equal, their graph will be of one line pancaked on top of the other, and the solutions is where they meet, hell, they meet everywhere since one is on top of the other, so infinitely many solutions.

3 0
2 years ago
Can somebody please help me solve this
Semenov [28]
I can't see it well sorry
8 0
3 years ago
N + 3m; use m = 3, and n = 1
musickatia [10]

Answer:

10

Step-by-step explanation:

  • plug 3 into m and plug 1 into n
  • order of operations say you multiple first so you multiple 3 times 3 which equals 9
  • then you add 1 and 9 which equals 10
4 0
3 years ago
What is a word phrase for 2+x/8​
melamori03 [73]

Answer:

An eighth of a number plus two

Step-by-step explanation:

we have the algebraic expression

2+\frac{x}{8}

Let

x ------> a number

A word phrase is

An eighth of a number plus two

7 0
3 years ago
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