plzz answer this..... I will mark you as brainliest
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Here's ur ✔ answer..
Hope it helps✌✌..
Mark me as Brainliest..
3. -4 will be the zero of the polynomial 2x square + 7x - 4.
Thnku.. ☺
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1
Answer:
1. a) |-3|-|-5| = 3-5=-2
b) √ |8|-|-4|-|4| = √ ( 8-8) = √ 0 = 0
c) | (-4)×(-2)|-|-6| = 8 - 6 = 2
2.
Let f(x) =2x^2 +7x - 4
Then
f(2) =2×2^2 +7×2 - 4 = 8 +14-4 = 18 # 0
f(3) =2×3^2 +7×3 - 4 = 18 +21-4 = 35 # 0
f(-4) =2×(-4)^2 +7×(-4) - 4 = 32 - 28 -4 = 0
So - 4 is a zero of 2x^2 +7x - 4
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