2 years ago

P = 3t² + 7t Work out the value of P when t = -4

Mathematics

1 answer:

Tanzania [10]2 years ago

8 0

Answer:

P = 20

Step-by-step explanation:

Hello!

We can solve this by substituting -4 for t.

<h3>Evaluate</h3>

P = 3t² + 7t
P = 3(-4²) + 7(-4)

<u>Remember that any negative number squared is the absolute value of that number squared.</u>

P = 3(|-16|) - 28
P = 3(16) - 28
P = 48 - 28
P = 20

The final evaluation is 20.

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