Evaluate the expression below when x=3 and y=-5. x^2+4xy SHOW YOUR WORK -54 -51 69 1
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Answer:
A
Step-by-step explanation:
The table of values is linear so we can express the function as
y = mx + c ( m is the slope and c the y- intercept )
Calculate m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (- 6, - 4) and (x₂, y₂ ) = (- 3, - 2) ← ordered pairs from the table
m = =
Note the ordered pair (0, 0) ⇒ c = 0
y = x → A