Count change of signs to tell positive roots
then replace x with -x and evaluate, then count change in sign for negative roots
initially
+, -, -, +, +, -
3 changes
3 or 1 positive roots
replacing x with -x
-,-,+,+,-,-
2 changes
2 or 0 negative roots
B is answer
Answer:
27.7 divided by 7.8
27.7 divided by 7.8 has an quotient of 3.55..., while the rest have different values not even on the 3.50 - 3.59 scale. The answer is 27.7 divided by 8.
Answer:
see explanation :)
Step-by-step explanation:
y
=
−
x
−
4
is in the slope-intercept form for a linear equation,
y
=
m
x
+
b
, where m is the slope and b is the y-intercept. In the given equation,
m
=
−
1 and b
=
−
4
.
Ordered Pairs
x
...
...
.
.
y
4
...
.
−
8
2
...
.
−
6
0
...
.
−
4
−
2
.
...−
2
−
4
...
.
.
0
