mmcdaniels46867
13.10.2019 •
Mathematics
An exponent is shorthand for repeated multiplication. for example,
n4
=n·n·n·n. in an exponential expression like ba,b is called the base and a is called the exponent.
expand each of the expressions below. for example, to expand
x3, you would write: x·x·x.
1. y7
2. 5(2m)3
3. (x3)2
4. 4x5y2
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Ответ:
Step-by-step explanation:
y = 2/5 x - 9/5
when x = -1,
the value of y = 2/5(-1) - 9/5
= -2/5 - 9/5 = -11/5
when x = 0
=> y = 2/5(0) -9/5
= 0-9/5 = -9/5
when x=1
=> y = 2/5(1) - 9/5
= 2/5 - 9/5 = 7/5