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2 years ago

Graph each line. Give the slope-intercept form for all standard.

Mathematics

1 answer:

Dafna11 [192]2 years ago

6 0

Answer:

Below

Step-by-step explanation:

y=mx+b

m=slope

b=y-intercept

Subtract x from both sides:

y=-x+3

You can place a point at (0,3) since that is the y-intercept.

You can also use the X-intercept which is found by making y zero: (3,0)

Then connect the points to create a line.

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Simplify using the vertical method. (3k + 4)(3k^2 – 5k – 3)

liubo4ka [24]

Answer:

$9k^{3} -3k^{2}-29k-12$

Step-by-step explanation:

Step 1: Expand by distributing sum groups.

$3k(3k^{2} -5k-3)+4(3k^{2} -5k-3)$

Step 2: Expand by distributing terms.

$9k^{3} -15k^{2} -9k+4(3k^{2} -5k-3)$

Step 3: Expand by distributing terms.

$9k^{3}-15k^{2} -9k+12k^{2} -20k-12$

Step 4: Collect like terms.

$9k^{3}+(-15k^{2} +12k^{2} )+(-9k-20k)-12$

Step 5: Simplify.

$9k^{3} -3k^{2}-29k-12$

3 0

3 years ago

What is the solution to the system of equations -8x + 4y = -2, 2y = 1

Black_prince [1.1K]

Answer:

Hi! The correct answer is x=1/4+y/2!

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation

5 0

2 years ago

I NEEEED HELP!!! please show work in answer and no blank or nonsense answers please :)

rodikova [14]

Answer:

225 pi = pi r^2 h

225 = r^2*h

225/1 = r^2

sqrt. (225) = r

r = 15

8 0

3 years ago

2 less than five times a number.

Reika [66]

Answer:

X will be the number.

5 times that number X is 5X

2 less than 5 times the number is 5X - 2

Hope this helps! Plz mark brainliest! （づ￣3￣）づ╭❤～

8 0

2 years ago

Read 2 more answers

x + 3y = 7 x - 3y = 1 Solve the system of equations. A) x = 4, y = 1 B) x = 1, y = 4 C) x = - 2 3 , y = 3 D) x = 3, y = - 2 3

Alik [6]

X+3y=7
x-3y=1
add them together

x+3y=7
<u>x-3y=1 +
</u>2x+0y=8

2x=8
divide 2
x=4
subsitute
x+3y=7
4+3y=7
subtract 4
3y=3
divid 3
y=1

x=4
y=1

answer is A
<u />

6 0

3 years ago

Read 2 more answers