Answer:
y=0.3x
Step-by-step explanation:
Formula =
y α x
y = kx
Where k is the constant of proportionality.
When y = 1.5; x = 5;
We substitute these known values in the equation,
y = kx
1.5 = k5
Dividing both sides of the equation by 5 to find the value for k, we have
1.5/5= k0.3/5
Therefore,
K = 0.3
Having found the value of k,
We substitute this value into the relationship
y = kx
Therefore we have,
y = 0.3x.
The direct variation function is therefore,
y = 0.3x.
[RevyBreeze]
Answer:
The correct option is D.
Step-by-step explanation:
The given expression is
Difference of two squares property:
Using the above property, the given expression can be written as
Applying square we get
Therefore the correct option is D.
Answer:
Step-by-step explanation:
Given equation:
Divide both sides by 4:
Subtract 1/4 from both sides:
Simplify:
Answer : B
x^2-9x+14
Lets factor
We find out two factors whose product is +14 and sum is -9
Two factors are -2 and -7, we split the middle term -9x using -2 and -7
Group first two terms and last two terms
Then factor out GCF from each term
so x-2 is one of the factor