I always prefer factoring, if there are simple factors.
There are simple factors here.
x² + 11x + 18 = 0
(x + 2) (x + 9) = 0
The left side is zero if either factor is zero.
First factor:
x + 2 = 0
<u>x = -2</u>
Second factor:
x + 9 = 0
<u>x = -9 </u>
Answer:
<em>w >= 195 and w <= 285</em>
Step-by-step explanation:
No less than 195 lb means that 195 lb or more is allowed.
Let w = weight.
w >= 195
A maximum of 285 lb means that 285 lb or less is allowed.
w <= 285
Answer: w >= 195 and w <= 285
Answer:
y=3x+4
Step-by-step explanation:
y-y1=m(x-x1)
y-4=3(x-0)
y-4=3x
y=3x+4
Here. This is the graph you wanted. The underside is shaded by the way.
