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aivan3 [116]
3 years ago
7

Which of the following tables does not represent a linear relationship between x and y?

Mathematics
1 answer:
vovangra [49]3 years ago
6 0

Answer:

The first one is not liner

Step-by-step explanation:

This isn't linear because the y values increase inequally. It adds 2 and then 3 instead of keeping a constant rate

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Please solve this sheet.
lyudmila [28]
Hello,

A: roots: -1,-3
a point (-2,1)
Vertex=((-2,1)

y=k*(x+1)(x+3) using roots
but k*(-2+1)(-2+3)=1==>k*(-1)*1=1==>k=-1

eq: y=-(x+1)(x+3)
==>y=-(x²+3x+x+3)
==>y=-x²-4x-3
y=k(x+2)²+1 if x=-1,y=0 ==>k*1+1=0==>k=-1
==>y=-(x+2)²+1

Answer :A--> R,K

B)
y=k(x+4)²-2 and k=-1/2
y=-1/2(x+4)²-2
y=-1/2x²-4x-10

answer B--> I,≈W if it is written -1/2*x²  (square has been forgotten)

C:
y=2x²-16x+30
y=2(x-4)²-2
answer : C-->S,J

D:
y=-(x+3)(x+1)
y=-x²-4x-3
=-(x+2)²+1
answer D--> V,L

E:
Here there is a problem: or the graph is wrong, or 2 equations are missing!

y=1(x+1)(x-3) using roots
y=x²-2x-3 ≈ T si it were -2x and not +2x.

y=(x-1)²-4 ≈H is it were -1 in place of +1 [H:y=(x+1)²-4]




6 0
3 years ago
In which quadrant is the orderd pair (2,-5)​
OverLord2011 [107]

Answer:

4

(+, -) coordinates

4 0
2 years ago
Sheila works 8.5 hours per day on Monday,Wednesday and Friday, and 6 hours per day on Tuesday and Thursday.she earns $356.25 per
Artist 52 [7]

Answer:

9.50/ per hour

Step-by-step explanation:

adding the 8.5 x 3 (M/W/F)

plus the 6 x 2 (T/TH)

= 37.5 hours

356.75 divided by 37.5 = 9.5

Hope this helps

6 0
3 years ago
at current prices, roberta can drive her car 8.2 miles per dollar of gasoline that she buys. Roberta and three of her friends de
Gekata [30.6K]

Answer:

I think it's $12.80 but I might be wrong.

7 0
3 years ago
Which equation does not depict a linear relationship?
Blababa [14]

Answer:

d doesnot depict a linear relationship as y= mx+c to have linear equation

3 0
2 years ago
Read 2 more answers
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