Answer:
y = 4x - 3
Step-by-step explanation:
Firstly rearrange into the form y = mx + c;
⇒ 
Secondly, find the gradient of the line using the formula for perpendicular lines;
⇒ 
⇒ 
⇒ 
Now substitute into the formula for a straight line;
⇒ 
⇒ 
⇒ 
Answer:
y=x
Step-by-step explanation:
m=(y2-y1)/(x2-x1)
m=(5-1)/(5-1)=4/4=1
slope is 1
y-y1=m(x-x1) where m=slope
y-1=1(x-1)
y-1=x-1
y=x-1+1
y=x
Answer:
5. R = 6
6. D = 22
Step-by-step explanation:
5. The area formula is πr2.
If πr2=36π,
π can be canceled out from both sides.
Then, it is r2=36.
If we square root both sides, we get:
r=6 .
Therefore, the radius of your circle is 6.
6.A = 121 π
A = r² π
r² π = 121 π
r = √ 121 = 11
The diameter: d = 2 r = 2 * 11 = 22 units
Answer:
yeah the answer IS B
Step-by-step explanation:
some equations have more than one solution
