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nexus9112 [7]
3 years ago
15

State the slope and y-intercept for the graph of the equation -8x + y = -12.

Mathematics
2 answers:
Andru [333]3 years ago
6 0

Answer:

Step-by-step explanation:

Remark

  • y must have a numerical coefficient of 1. This equation does. If it does not, then you must divide through by whatever is in front of the y.
  • To read the slope, you must have x and its coefficient on opposite sides of the equal sign.
  • So you get
  • y = 8x - 12 when you add 8x to both sides
  • Next, the y intercept is found when x = 0
  • y = 8x - 12
  • y = 8(0) - 12
  • y = - 12
  • The  y intercept is -12 or in point form (0, - 12)

Answer

slope = 8

y intercept = - 12

irina [24]3 years ago
5 0

Answer:

Slope is 8 and Y-Intercept is -12

Step-by-step explanation:

Move the -8x over to the right side by adding it, You are now at

y=-12+8x

Move these around and you are now at

Y=8x-12

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Comparing Functions: Mastery Test
Brums [2.3K]

Answer:

Table 3 has a greater y intercept

Step-by-step explanation:

See attachment (1) & (2) for graph and tables

First, we have to determine the y intercept of the graph

The y intercept of any graph or table is the corresponding value of a point where x = 0

In the attached graph.

x = 0 when y = 4

So:

y\ intercept = 4

Next, we determine the y intercept of each table.

Recall that: The y intercept of any graph or table is the corresponding value of a point where x = 0

For table 1:

y\ intercept = 3

For table 2:

y\ intercept = 2

For table 3:

y\ intercept = 5

By comparison, the y intercepts of tables (1) & (2) are less than the y intercept of the graph because: 3 and 2 are less than 4

However, the y intercept of table 3 is greater than the y intercept of the graph because 5 is greater than 4.

<em>Hence, table 3 has a greater y intercept</em>

7 0
3 years ago
Please answer All!!! (first part)
goblinko [34]
3.
-0.5(-4) +1= 2+1 =3
-0.5(-2)+ 1= 1+1 = 2
-0.5(0) + 1 = 1
-0.5(2) + 1 = -1 + 1 = 0
-0.5(4) + 1 = -2+1 = -1
The answers follow left to right


5.
Y=1
Y=-1
Y= 1
Y= 3
Y= 7
This answer also I ordered
4 0
3 years ago
How many solutions does this equation have -10x+3=5x-27
Alex777 [14]
2 solutions for this one
7 0
4 years ago
I need help with this problem
laiz [17]

Answer:

1 feet wide

Step-by-step explanation:

Let the even strip around 4 sides of the rug be "x" ft.

So, we can say:

The rug's length is 15 - x - x [from both side] = 15 - 2x

The rug's width is 20 - x - x = 20 - 2x

Rug (being a rectangle) will have an area:

Area = length * width

234 = (20 - 2x) (15 - 2x)

Multiplying and solving this equation we will get x:

234 = (20 - 2x) (15 - 2x)\\234=300-40x-30x+4x^2\\4x^2-70x+66=0

Solving we get:

x = 16.5

x = 1

Since, x = 16.5 is not a feasible solution (you cant take out 16.5 from each side because one side is 15 total and another side is 20 total), x = 1 is the solution.

So,

She will have a strip that is 1 feet wide

5 0
4 years ago
Algebraically manipulating the formula 1 = Prt, find the principal (PV) deposited in a savings account which eamed $11,000 in in
nirvana33 [79]

First, write out the given datas

Interest I = $11,000

Rate R = 9.5%

Time T = 15 years

Principal P = ?

Next, use the Interest formula below, to find the Principal p.

\begin{gathered} \text{I = }\frac{PRT}{100} \\ \text{Cross multiply and make P the subject of the relation.} \\ 100I\text{ = PRT} \\ \text{Divide through by RT to make P subject of the relation.} \\ \frac{100I}{RT}\text{   =  }\frac{PRT}{RT} \\ P\text{ = }\frac{100I}{RT} \end{gathered}

Next, substitute the value of I, T and R to find the Principal.

\begin{gathered} \text{Therefore,} \\ P\text{ = }\frac{100\text{ x 11000}}{9.5\text{ x 15}} \\ P\text{ = }\frac{1100000}{142.5} \\ P\text{ = \$7719.29} \end{gathered}

Final answer:

P = $7719.3

4 0
1 year ago
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