LINEAR EQUATIONS IN TWO VARIABLES

The graph of the linear equation x + 2y = 7 passes through the point (0, 7). TRUE/FALSE

(a)  

The graph of every linear equation in two variables need not be a line. TRUE/FALSE

(a)  

The point (0, 3) lies on the graph of the linear equation 3x + 4y = 12. TRUE/FALSE

(a)  

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

• 4

• 6

• 5

• 2

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

• (A) 1 . x + 1 . y = 7

• (B) 1. x + 0. y = 7

• (C) 0 . x + 1 . y = 7

• (D) 0 . x + 0 . y = 7

Tags

CCSS.HSA.REI.C.8

The line represented by the equation x + y = 16 passes through (7,9). How many more lines pass through this point

• One

• Five

• Infinite

• No more lines can pass

The pair of equation x = – 4 and y = – 5 graphically represents lines which are

• intersecting at (-5, –4)

• intersecting at (-4, –5)

• intersecting at (5, 4)

• intersecting at (4, 5)

Tags

CCSS.8.EE.C.8B

The equation y = 2 in two variables can be written as

• 0 .x + 1 .y = 2

• 1. x + 0. y = 2

• 1. x + 0 .y = 0

If age of Hema is 4 times the age of Mary.for this choose correct linear equation

• x=4y

• x+4y=0

• 4x=1/4y

• 2x=4y

Tags

CCSS.6.EE.C.9

If x = a, y = b is the solution of the equations x + y = 5 and 2x – 3y = 4, then the values of a and b are respectively

• 6, -1

• 2, 3

• 1,4

• 19/5, 6/5