Correct option is C)
On putting x=2y+5 in second equation, we get
y=(4y+7)(2y+14)
⇒8y 2 +70y+98=y
⇒8y 2+69y+98=0
Discriminant D=69 2−4(8)(98)=1625>0
Hence, the equation has 2 real roots.
Therefore, there are 2 ordered pair.
Option C is correct.
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Answer:
linear
Step-by-step explanation:
A linear function has a straight line. If you graph this is a straight diagonal line. A linear function has a independent and dependent variable. The independent variable is x, and the dependent variable is y.
Multplication is used: you multiply 675 by 28 to get the answer.
Answer:
para un diámetro de 40 cm el perímetro es de 125.66 cm,
