Learning Task 2. Which of the following represents a quadratic function? 1. f(x) = 8x + 5
2. f(x) = x2 - 2x + 7 -5 -4 -3 -2 -1 1
3. y=f(x) 3 0 1 0 O 3 Х 1 2 3 4
4. y=f(x) 0 1 2 3 4 5 × 0 1 2 3 4
l l
5.l • • l
l l
l • • l
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6.------------------>
REPORT KO PO KAYO PAGMALI SAGOT KAYLANGAN KO NA PO KASI PLSS.
2. f(x) = x2 - 2x + 7 -5 -4 -3 -2 -1 1
3. y=f(x) 3 0 1 0 O 3 Х 1 2 3 4
4. y=f(x) 0 1 2 3 4 5 × 0 1 2 3 4
l l
5.l • • l
l l
l • • l
_____
6.------------------>
REPORT KO PO KAYO PAGMALI SAGOT KAYLANGAN KO NA PO KASI PLSS.
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Answer:
Answer:
1.f(x)=8x+5
explanation:
substitute F(x)=0
0=8x+5
move the variable to the left
-8x=5
divide both sides
Two solutions:
answer:x=-5
8
alternative: x=-0.625
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