Help plz will be marked brainlyist
1 answer:
Answer:
Not proportional
Step-by-step explanation:
If x and y are proportional then the equation relating them is
y = kx ← k is the constant of proportionality
To determine if x and y are in proportion then k must be equal for all ordered pairs, that is
k = ![\frac{y}{x}](https://tex.z-dn.net/?f=%5Cfrac%7By%7D%7Bx%7D)
(2, 0) k =
= 0
(4, 2) → k =
= ![\frac{1}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D)
(6, 4) → k =
= ![\frac{2}{3}](https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B3%7D)
(8, 6) → k =
= ![\frac{3}{4}](https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B4%7D)
Since k is not constant for all values then not in proportion
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Never because anytime there's a negative or minus sign in front of a number and you're not subtracting, it's negative
It can lie between any number lower than it and any number high than it.
For example, 419 and 421
3. -x + 2 < 3x - 6
=3x +x < 2 + 6
=4x < 8
=x > 8/4
=x > 2
4. 3v - 12 > 5v + 10
= 5v-3v > 10+12
=2v > 22
= v < 22/2
=v < 11
Answer:
6.2
Step-by-step explanation:
Answer:
DD
Step-by-step explanation:
If you distribute the 2 you get 12.2x + 14 so D