No. The answer to 16 is 426
Answer:
y = -1
Step-by-step explanation:
As we move from point (-5, -1)
to point (2, -1), x increases by 7 and y stays the same.
The slope of this line is thus m = [-1 - (-1)] / 7, or just m = 0.
This is a horizontal line. Its equation is y = -1.
It is linear because the rate of change is constant
Answer:
hydroflask :P
Hm. If p is true, then q is true, if p is false, than q is false.
So, the inverse must be true.
The converse doesn't have to be true at all, and same with the contrapositive if I'm correct.
Pretty sure it's just the inverse. :)
(please comment if I'm wrong! I'll be happy to learn!)
Answer:
x = 0 .
-20/19 (see below).
Step-by-step explanation:
√(x + 1) + √5x = √(7x + 1)
Squaring both sides:
x + 1 + 5x + 2√(x + 1)√5x = 7x + 1
2√(x + 1)√5x = 7x +1 - 1 - x - 5x = x
Squaring both sides:
4(x + 1)(5x) = x^2
20x^2 + 20x - x^2 = 0
19x^2 + 20x) = 0
x(19x + 20) = 0
x = 0, -20/19.
If we substitute x = 0 into the original equation we get
√(0 + 1) + √5*0 = √(7*0 + 1)
1 = 1 so this is a true solution.
-20/19 :- √(-20/19 + 1) is not real so unless we allow complex square root this is extraneous.