Answer:
4. D
5. C
6.C
7.A
8.C
9.
10.A
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Step-by-step explanation:
8. In the equation y = mx + b for a straight line, the number m is called the slope of the line. Let x = 0, then y = m • 0 + b, so y = b. The number b is the coordinate on the y-axis where the graph crosses the y-axis
