Equations in Two Variables
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Graphically, the pair of equations 6x – 3y + 10 = 0 , 2x – y + 9 = 0 represents two lines which are
intersecting at exactly one point
intersecting at exactly two points.
coincident.
parallel.
Tags
CCSS.8.EE.C.8B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The pair of equations x + 2y + 5 = 0 and –3x – 6y + 1 = 0 have
a unique solution
exactly two solutions
infinitely many solutions
No solution
Tags
CCSS.8.EE.C.8B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The pair of equations x = a and y = b graphically represents lines which are
parallel
intersecting at (b, a)
coincident
intersecting at (a, b)
Tags
CCSS.8.EE.C.8B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For which value(s) of k will the pair of equations kx + 3y = k – 3 12x + ky = k have no solution?
6
−6
± 6
4
Tags
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tell whether the ordered pair is a solution of:
y = -3x + 9
(2, 3)
Yes!
No!
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tell whether the ordered pair is a solution of:
y = -3x + 9
(3, 1)
Yes!
No!
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