Answer:
8
Step-by-step explanation:
ab = 2 * 4 = 8
ab when a = 2 and b = 4
First, plug in the values into the expression.
ab = (a)(b)
(2)(4)
When two numbers are set next to each other in parentheses, you are multiplying them.
2 × 4 = 8
Therefore, ab = 8
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-15/4
slope = change in y / change in x = (-7 - 8) / (7 - 3) = -15/4
