Section - A Q1: Answer the questions by choosing the correct option (1 mark each): (5). 1. Which of the following is a linear equation in one variable? a. x + y + z =3 b. x² x + 2x + 1 = 0 C. y + y 2 + 4x = 0 2 - 5 d. 6?
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Correct option is
B
2t−1=3t+5
A linear equation in one variable is an equation that can be written in the form ax+b=c, where a,b are real numbers.
option (a) has two variables x and y.Hence it is a linear equation with two variables.
Option (b) has one variable t. Hence it is a linear equation with one variable
Option (c) and (d) is not a linear equation ∵ the highest power of x is 2.
Hence,option b is the right answer....
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Answer:
a is the correct answer x+y+z=3
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