1) Which of the following expressions is a Linear? a) x + 1= 3 b) x2+3x+2=0 c) x2 - 5x + 6 d) none 2) Which of the following expressions is Non - Linear? a) x+2=5 b) 3y−4=8 c) 2x2+3y=7 d) none 3) Which of the following is a linear equation? a) x+2=3 b) 2x2+3y=6 c) xy=5 d) none 4) Which of the following is a non-linear equation? a) 5x−7=3 b) 4x+2y=10 c) x2+y=9 d) 3x+5y−6=0 5) The equation y =2x2+3 represents: a) Linear equation b) Non-linear equation c) Constant equation d) None of these 6) The general form of a linear equation in two variables is: a) ax+by+c=0 b) ax2+by+c=0 c) axy+b=0 d) y2+x=0 7) In the equation ax+by+c=0, which of the following is true for a linear equation? a) a = 0 and b = 0 b) a ≠ 0 or b ≠ 0 c) a = b = c = 0 d) None of these 8) Which of the following pairs of values satisfy the equation 2x+y=7? a) (1, 5) b) (2, 2) c) (3, 1) d) (2, 3) 9) Which of the following is a non-linear equation in two variables? a) x+y=10 b) 2x−3y=9 c) x2+y=5 d) 4x+2y=8 10) In a linear equation, the power of each variable is always: a) 0 b) 1 c) 2 d) none

Linear Equation

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