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:
1/3
Step-by-step explanation:
The scale factor is the ratio of image lengths to original lengths. For this pair of figures, the scale factor is ...
A'B'/AB = 2/6 = 1/3
The scale factor is 1/3.
Answer:
I think the strawberry cake measure have to be 360⁰. so the arc measure is 360⁰÷3=100
so we have all three arcs congruent b/c all measures 100⁰
I think XYZ=100⁰
Eleven plus
t minus seventeen
ten multiplied by n
fifteen multiplied by y
four multiplied by x
a plus b
fourteen times x plus three times y
The axis of symmetry in a parabola is a line that's vertical that divides into 2 congruent halves.
