Answer:
p = 8
Step-by-step explanation:
-5p = -40 so 40/5 = 8
Answer:
Step-by-step explanation:
It’s d
Answer:
Quadratic equation has equal roots
We know that quadratic equation has two equal roots only when the value of discriminant is equal to zero. We know that two roots of quadratic equation are equal only if discriminant is equal to zero.
Step-by-step explanation:
<u>144</u>
So, c must be 144 to make the trinomial a perfect square.
Answer:
K 20
Step-by-step explanation:
f(x) = 7x2 - 4x
f (2) = 7 (2)^2 - 4(2)
= 28 - 8
= 20
Since they replaced the x inside f(x) with 2, just do that the same to the right side, change all x into 2