1. Which of the following is a linear inequality in two variables?
A. y = x + 3 B. x + 3y > 18
C. -2x - y = 9 D. -x -4y = -25
2. The pair of equations y = 2x + 10 and y = 2x + 10 has
A. One solution.
B. Two solutions
C. Infinitely many solutions
D. No solution
A. y = x + 3 B. x + 3y > 18
C. -2x - y = 9 D. -x -4y = -25
2. The pair of equations y = 2x + 10 and y = 2x + 10 has
A. One solution.
B. Two solutions
C. Infinitely many solutions
D. No solution
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Answer:
1. Which of the following is a linear inequality in two variables?
Inequality in two variables means two variables x and y with < or> sign means no equal sign only less than greater than sign.
2. The pair of equations y = 2x + 10 and y = 2x + 10 has
Equation of both lines are same it means they are coincidence line and for coincident line equation is infinitely
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