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rodikova [14]
4 years ago
7

Write the point-slope form of the equation of the line that passes through the point (-1, 5) and has a slope of -1. Include your

work in your final answer. Type your answer in the box provided or use the upload option to submit your solution.

Mathematics
1 answer:
ivolga24 [154]4 years ago
8 0

Answer:

y = -x + 4

Step-by-step explanation:

The point-slope formula for a straight line is

y – y₁ = m(x – x₁)

x₁ = -1; y₁ = 5; m = -1     Substitute the values

  y – 5 = -1(x + 1)          Remove parentheses

  y – 5 = -x - 1              Add 5 to each side

       y = -x + 4

The graph is a straight line with a y-intercept at y = +4 and a slope = -10/10

= -1.

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Please help me with this
Evgesh-ka [11]

B. The graph that best represents the equation y =  |x| - 1 is the option B.

To solve this problem we have to try with some values, the symbol |x| is the absolute value which means any number either positive or negative always is positive |-5| = 5 and |5| = 5.

Let's take x = -3, -2, -1, 0, 1, 2, 3.

For x = -3

y = |-3| - 1 = 3 - 1

y = 2

For x = -2

y =  |−2| - 1 = 2 - 1

y = 1

For x = -1

y =  |−1| - 1 = 1 - 1

y = 0

For x = 0

y =  |0| - 1 = 0 - 1

y = -1

For x = 1

y =  |1| - 1 = 1 - 1

y = 0

For x = 2

y =  |2| - 1 = 2 - 1

y = 1

For x = 3

y =  |3| - 1 = 3 - 1

y = 2

y  ║  x

2      -3

1       -2

0       -1

-1       0

0       1

1        2

2       3

If we graph the points obtain in the table above, the result is a graph with the characteristics of the option B.

6 0
3 years ago
The length of an original drawing is 6 inches and the scaled drawing is 9 inches. What is the scale factor as a percent?
Hunter-Best [27]

Answer:

2/2 I'm not sure for that but its base on answer key

3 0
3 years ago
Read 2 more answers
Paul worked as a library volunteer for 8 ¼ hours. Harry worked for 3 ½ hours. How much longer did Paul work than Harry?
stiks02 [169]

Answer:

4 3/4

Step-by-step explanation:

= (8 - 3) + (1/4 - 1/2)

= 5 + 1/4 - (1 x 2 over 2 x 2)

= 5 + 1/4 - 2/4

= 5 and (1/2 over 4)

= 5 + -1/4

= 4 3/4

8 0
3 years ago
Latoya earns $1.75 an hous for each child she baby-sits. How much does she earn if she baby-sits 3 children for 4 hours?
serious [3.7K]

Answer:

$21

Step-by-step explanation:

multiply 1.75 times 4, which is 7

then multiply 7 times 3, which is 21

4 0
4 years ago
Frank wants to know how many people live in each household in his town. He conducts a random survey of 10 people and asks how ma
Zina [86]

Answer:

1.6

Step-by-step explanation:

The average of this ten number is (1+6+2+4+4+3+5+5+2+8)/10=4

So the MAD is (|1-4|+|6-4|+|2-4|+|4-4|+|4-4|+|3-4|+|5-4|+|5-4|+|2-4|+|8-4|)/10

=(3+2+2+0+0+1+1+1+2+4)/10

=1.6

4 0
3 years ago
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