adh205
adh205
11-06-2018
Mathematics
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Please help dufushcidhcjsjxhfjsjc
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sqdancefan
sqdancefan
11-06-2018
12.
Your marks show the products that need to be formed:
x² -4x -5x +20
Simplifies to
x² -9x +20
14.
Divide by the coefficient of x. Since it is positive, you do not need to reverse the inequality symbol.
x > 3.5
14.
The diagram shows all numbers between -2 and +2, inclusive.
-2 ≤ x ≤ 2
15.
Divide by the coefficient of c.
c = A/d
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