Linear Equation in two variables - Class IX Maths - Suraj Kr

The linear equation 2x -5y =7 has

• A unique solution

• Two solutions

• Infinitely many solutions

• No solution

Which of the following expressions is a linear expression in one variable?

• x² + 1

• x + 2y

• x³

• 7x + 5

Tags

CCSS.6.EE.A.2C

If (2, 0) is a solution of the linear equation 2x + 3y = k, then the value of k is.

• 4

• 6

• 5

• 2

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.SSE.A.1

Any solution of the linear equation 2x + 0y + 9 = 0 in two variables is of the form

• $-\frac{9}{2},\ m$

• $n,\ -\frac{9}{2}$
  

• $0,\ -\frac{9}{2}$
  

• (-9, 0)

The graph of the linear equation 2x + 3y = 6 cuts the y-axis at the point

• (2, 0)

• (0, 3)

• (3, 0)

• (0, 2)

The equation x = 7, in two variables, can be written as

• 1. x + 1. y = 7

• 1. X + 0. y = 7

• 0. x + 1. y = 7

• 0.x + 0. Y = 7

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Any point on the x axis is of the form

• (x, y)

• (0, y)

• (x, 0)

• (x, x)

Any point on the line y = x is of the form

• (a, a)

• (0, a)

• (a, 0)

• (a, – a)

The equation of x-axis is of the form.

• x = 0

• y = 0

• x + y = 0

• x = y

The graph of y = 6 is a line

• parallel to x-axis at a distance 6 units from the origin

• parallel to y-axis at a distance 6 units from the origin

• making an intercept 6 on the x-axis.

• Making an intercept 6 on both the axes.