Question

graph of y = ax + b is a straight line. For example, the graph of y = 2x + 3 is a straig
line passing through the points (-2,-1) and (2, 7).
-2
2
7
(2,7)
y = 2x + 3
- 1
7
6+
y= 2x+3
5+
ab
4
th
From Fig. 2.1, you can see
that the graph of y = 2x + 3
intersects the x-axis mid-way
between x = -1 and x = -2,
th
3*(0, 3)
that is, at the point
3
0).
0)
Nih
17
2
You also know that the zero of
2
x+10
(-2, 05
2x + 3 is 2. Thus, the zero of
2
the polynomial 2x + 3 is the
(-2, -1)
Y​

Answer 1

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