Answer:
x = - 5, x = - 3
Step-by-step explanation:
Given
x² + 15 = - 8x ( add 8x to both sides )
x² + 8x + 15 = 0 ← in standard form
Consider the factors of the constant term (+ 15) which sum to give the coefficient of the x- term (+ 8)
The factors are 5 and 3, since
5 × 3 = 15 and 5 + 3= 8, thus
(x + 5)(x + 3) = 0 ← in factored form
Equate each factor to zero and solve for x
x + 5 = 0 ⇒ x = - 5
x + 3 = 0 ⇒ x = - 3
Answer:
89.25
Step-by-step explanation:
2pound of walnut= 25.50
1 pound of walnut= 12.75
7punds of walnut= 89.25
7pounds of walnut= 12.75* 7=89.25
Answer:
6, 7 or 8 oranges
Step-by-step explanation:
#1) Non-linear
#2) ?
#3) Linear
#4) a) linear b) linear. c) linear. d) linear
#5) ?
sorry couldn't get the rest of the answers... internet is being dumb today
