Answer:
i think 4 is correct
Step-by-step explanation:
Answer:
x²-9x+14
Step-by-step explanation:
So the roots are 2,7
So the equation is
(x-2)(x-7)
=x²-2x-7x+14
=x²-9x+14
Answer:
2
x
3
−
4
x
2
+
24
x
−
15
Step-by-step explanation:
Simplify each term.
x
3
+
9
x
−
8
−
4
x
2
+
15
x
−
7
To solve for X in this equation, you would subtract both sides by 14 because our goal is to get X on its own. If we write it out, we see that
X + 14 - 14 = 56 - 14
X=42
Because we have a positive 14, a negative 14 will average out to be 0, but what you do to one side, you must do to the other.
If you have any more questions, feel free to ask!
Answer:
A. 8 cm sq
Step-by-step explanation:
Find the scale factor
new width/original width
8/1.6=5
calculate length of original rectangle
new length/scale factor
25/5=5cm
Find area of original rectangle
A=l×w
A=1.6×5=8cm²