Evaluate the expression for the given variable values. 2a² - 8ab - √b if a=-7 and b=4 325 320 327 321

asked Mar 4, 2023 171k views

5 votes

Evaluate the expression for the given variable values. 2a² - 8ab - √b if a=-7 and b=4

325
320
327
321

3.8k points

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5 votes

Answer:

320

Explanation:

When a = -7 and b = 4,

2a² - 8ab - √b

= 2(-7)² - 8(-7)(4) - √4

= 2(49) - 8(-28) - 2

= 98 + 224 - 2

= 320

Reed Dunkle answered Mar 8, 2023

4.3k points

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