193,729 views
20 votes
20 votes
Evaluate the expression for the given variable values. 2a² - 8ab - √b if a=-7 and b=4

325
320
327
321

Evaluate the expression for the given variable values. 2a² - 8ab - √b if a=-7 and-example-1
User Enver Arslan
by
2.4k points

1 Answer

12 votes
12 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

User Sheraz Ahmed
by
3.3k points
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