An equation is quadratic if the greatest power of the coefficients is 2. Hence, for the given equations, only 6(2x + 4)2 = (2x + 4) + 2 is quadratic in nature.
The formula of a midpoint:

D is midpoint of TR.
We have T(-2a, 0) and R(-2b, 2c). Substitute:

<h3>Answer: b. (-a - b, c)</h3>
Answer:
d=5
Step-by-step explanation:
Answer: Pipes
Step-by-step explanation: Pipes transfer water around and veins transfer blood around the body
Answer:
<h3>55 secs</h3>
Step-by-step explanation:
Given the elevation h (in feet) of the balloon modeled by the function h(x)=−6x+330, we can calculate the time it takes the balloon to reach the ground. The hot air balloon hits the ground at h(x) = 0.
Substitute h(x) = 0 into the modeled expression and find x as shown;
h(x)=−6x+330
0 = −6x+330
6x = 330
Divide both sides by 6
6x/6 = 330/6
x = 55 seconds
Hence the hot air balloon hits the ground after 55 seconds