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pickupchik [31]
3 years ago
15

Which of the following ordered pairs could be placed in the table and still have the relation qualify as a linear function?

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
4 0
Linear functions have to have the same slope between any 2 points

find the slope betwen them
slope betwen 2 points (x1,y1) and (x2,y2) is
(y1-y1)/(x2-x1)
given
(1,12) and (3,9)
slope=(9-12)/(3-1)=-3/2

if we wanted to chek furthere, we check (3,9) and (5,6) and fnd that the slope is also -3/2

so
y=mx+b
m=slope
b=yint
y=-3/2x+b
find b
if x=1 then y=12
12=-3/2+b
add 3/2 both sides
12+3/2=b
13+1/2=b
26/2+1/2=b
27/2=b
y=-3/2x+27/2
try them

we have 2 x values
7 and 3
input them and see their outputs

for x=7
y=-3/2(7)+27/2
y=-21/2+27/2
y=6/2
y=3
(7,3) is a valid point

for x=3
hold a second, we already have a x=3
it is (3,9)
none of them


answer is (7,3)
EleoNora [17]3 years ago
3 0

Answer:

Your answer would be A (7,3)

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3 years ago
Combine the like terms to create an equivalent expression. Pleaseee helppp ASAP thankss
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3 years ago
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Answer:

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I hope this pic helps :))

Step-by-step explanation:


4 0
3 years ago
When the outliers are removed, how does the mean change?
vivado [14]
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3 0
3 years ago
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Need help with the steps for 15 and 17
Julli [10]
15. 2x+4y=5
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17. 3x-3y=5. Like question 15 you will have to put it into y=mx+b format. So first you would minus 3x on both sides becoming -3y = -3x+5 then do the following: divide by -3 on both sides making the answer Y= x-5/3(-1.66666667) you can round it up to -1.67. Overall the answer should be y=x-1.67. 1.67 being the y-int meaning the line meets the y-axis at 1.67 and the slope being 1/1 to help you form the line.
6 0
3 years ago
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