Answer:
Step-by-step explanation:
X = 0
Everything gets canceled out
Mark brainliest please :))
Answer:
y = x² + 3x - 40
Step-by-step explanation:
Given the zeros are x = - 8 and x = 5, then the factors are
(x + 8) and (x - 5) and
y = (x + 8)(x - 5) ← expand factors
y = x² - 5x + 8x - 40, hence
y = x² + 3x - 40 ← in standard form
Answer:
hey
Step-by-step explanation:
diagonal PQ = root over l²+b²+h²
= root over 9+16+144
root over 169
=13 is your answer
Suppose you had f=6, g=2, h=3 and you were asked to find
f - g - h
You would do it by substituting the given values for the letters to get
6 - 2 - 3
And this can be simplified to
1
_____
The question at hand is basically the same. You are given values of f(x), g(x), h(x) and asked to find their signed sum.
f(x) - g(x) - h(x)
= (3x+5) - (4x²-2) - (x²-3x+1) . . . . substitute the given values
= 3x + 5 - 4x² + 2 - x² + 3x - 1 . . . use the distributive property to eliminate parentheses. A minus sign in front changes the sign of every term inside parentheses.
= x²(-4-1) +x(3+3) +(5+2-1)
= -5x² + 6x + 6 . . . . . . collect terms . . . . matches the first choice
