Linear Systems

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.REI.C.8

The graph of the line x = 6 is a line___

• parallel to x -axis at a distance of 6 untis from origin

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

• passing through the point (0,6)

• passing through (0,6) and (6,0)

How many linear equations in x and y can be satisfied by x = 1 and y = 2

• Only one
• Two
• Infinitely many
• Three

Tags

CCSS.8.EE.C.8B

The graph of ax + by + c = 0 is _____

• A straight line parallel to x - axis
• A straight line parallel to y - axis 
• A general straight line
• A line in the 2nd and 3rd quadrant

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

• (2 ,0)
• (0 ,3)
• (3 ,0)
• (0, 2)

Tags

CCSS.HSF-IF.C.7A

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

• 4
• 5
• 6
• 2

Which equation represents the following graph?

• y = 3x + 2
• y = -2x + 3
• y = 2x + 3
• y = -3x + 2

The point of the form (a , -a) always lies on the line____

• x = a
• y = - a
• y = x
• x + y = 0

The graph of the linear equation in two variables y = 3x is _____

• a line parallel to x - axis

• a line parallel to y - axis

• a line passes through the origin

• not a straight line

Find the equation of the line from the graph

• y=3

• x=3

• x+y=o

• x=y