Answer:
<u>Quadratic:</u>
a.
c.
e.
i.
j.
<u>Neither:</u>
f.
h.
<u>Linear:</u>
b.
d.
g.
Step-by-step explanation:
Linear equations are generally expressed in the form y = mx + b - the highest exponent of x is one.
Quadratics are expressed as y = ax^2 + bx + c - the highest exponent of x is two.
Any equation with an exponent of x higher than two is neither linear nor quadratic, but instead cubic or higher. Therefore we can simply sort these equations by the highest exponent of x present after simplifying.
Answer:
See below.
Step-by-step explanation:
The circumference of a circle is 
We know that the radius is 2 meters, so:
meters.
Answer:
$6000
Step-by-step explanation:
There are 43560 square feet in an acre. The profit is expected to be ...
(7260 ft)(1200 ft) × ($30)/(43560 ft²) = $6000
_____
The area of the plot is 200 acres.
Answer:
20.5 : 61.5
Step-by-step explanation:
1:3
1 + 3 = 4
82 ÷ 4 = 20.5
ratio of 1:3
1 × 20.5 = 20.5
3 × 20.5 = 61.5
20.5 : 61.5
Answer:
(-3, 9)
Step-by-step explanation:
If a point was reflected across the y-axis, then the y-coordinate would change signs (from negative to positive or from positive to negative). Using this, we could find the original point by changing the sign of the y-coordinate. As you may already see, this is really just reflecting the point across the y-axis again. By doing this, you get the point (-3, 9).
The point would be (-3, 9).
I hope this helps. :)
