Answer:
p-q= -4
p=q-4
x^2 + px + q=0
=> x^2 + (q-4)x + q = 0
d= b^2-4ac
=(q-4)^2 - 4(1)(q)
= q^2 + 16 -8q - 4q
=q^2 -12q+16
given that D=16
q^2 -12q+16 = 16
=> q^2 -12q = 0
=> q^2 = 12q
=> q = 12q/q
=> q= 12
Therefore the value of q is 12 and the value of p is q-4 = 12-4= 8
Hope you understood............
Answer:
Step-by-step explanation:
1. 2( 2d + 2)
2.w + 12
Y = kx
72 = k*3
73/3 = k
24 = k
y = 24x
Answer:
Step-by-step explanation:
72%
the answer is 216.81 I looked it up on a calculator