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weeblordd
04.07.2019 •
Mathematics
which linear inequality is represented by the graph?
a. y < x + 3
b. y > x + 3
c. y > x + 3
d. y < x + 3
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Ответ:
The correct answer option is C.
.
Step-by-step explanation:
We are given a graph and we are to determine whether which linear inequality is represented by the graph.
We know that the grey part on the graph represents the the region which is not included in the inequality.
Also, when x = 0, the values of y can only be less than 3.
So we choose two points on the graph and we find the slope.
For example, we take the points
and
.
Slope =![\frac{5-3}{3-0} =\frac{2}{3}](/tpl/images/0048/5755/17548.png)
which makes the equation of the line
and inequality
.
Ответ:
In simplifying polynomials, we need to remember that only like terms can be added or subtracted to each other. Also, the order of solving the basic operators should be followed which is PEMDAS.
3x2y2 − 5xy2 − 3x2y2 + 2x2The first and the thrid term is equal to zero thus the polynomial is:
− 5xy2 + 2x2
The polynomial has two terms with a degree of three.