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ad-work [718]
3 years ago
9

Find k if the slope of 4y= -kx - 2 is 4.

Mathematics
1 answer:
oee [108]3 years ago
8 0

Answer:

  • k = -16

Step-by-step explanation:

<u>Given formula:</u>

  • 4y= -kx - 2, where slope is 4

<u>Slope-intercept formula is:</u>

  • y = mx + b, where m is the slope

<u>Finding slope by bringing the formula to the same format as above:</u>

  • 4y = -kx - 2
  • y = -k/4x - 1/2

<u>Slope is -k/4 and comparing it with the given:</u>

  • -k/4 = 4
  • k = 4*(-4) = -16
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3 years ago
What is the value of x? 35x – 13 x = x – 1
Papessa [141]

35x – 13 x = x – 1

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the expression 15 a + 12 C is the cost in dollars of a admission at an amusement park for a adults and see children find the tot
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Answer:

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5 0
3 years ago
Match the average rates of change of f(x) to the corresponding intervals.
spin [16.1K]

The average rates of change of f(x) and their corresponding intervals are given as:

Interval          Rate of Change

[-5, -1]                 -8

[-4, -1]                 -7

[-3, 1]                  -4

[-2, 1]                  -3.

<h3>What is the explanation for the above?
</h3>

Step 1 - See Table Attached

Step 2 - State the formula for rate of change

The formula for rate of change is given as:
= [change in f(x)] / [change in x]

a) For interval [5, -1] ⇒

Rate of Change - [ f(1) - f(-5) ] / [-1 - (-5)]  

= [-1 - 35] / [-1+5]

= -36 / 4

= - 8

b) For interval [-4, -1] ⇒

rate of change = [ f(-1) - f(-4) ] / [ -1 - (-4) ]

= [3 - 24] / [-1 + 4]

= -21/3

= - 7

c) interval [-3,1] ⇒

rate of change = [ f(1) - f(-3) ] / [ 1 - (-3) ]

= [-1 - 15] / [1 + 3]

= -16/4

= - 4

d) interval [-2,1] ⇒

rate of change = [f (1) - f(-2)] / [1 - (-2)]

= [ -1 - 8] / [1 + 2]

= -9/3

= -3

Learn more about rate of change at:
brainly.com/question/25184007
#SPJ1

Download xlsx
6 0
2 years ago
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