What is the main method discussed for solving systems of two linear equations with no solution?

Linear Equations and Plant Growth

Interactive Video
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Mathematics
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8th - 9th Grade
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Hard

Mia Campbell
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Matrix operations
Elimination method
Graphing and finding slopes
Using substitution
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What characteristic do parallel lines share?
Intersect at one point
Same y-intercept
Different slopes
Same slope
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example given, what are the slopes of the two equations?
2/3 and -2/3
1/2 and 1/2
2/3 and 2/3
3/2 and 3/2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do the equations 2x - 3y = 18 and -2x + 3y = -6 have no solution?
They are parallel
They have the same y-intercept
They have different slopes
They intersect at multiple points
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you verify algebraically that two lines are parallel?
By converting to slope-intercept form and comparing slopes
By checking if they have the same y-intercept
By checking if they have different slopes
By finding their intersection point
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the slope-intercept form of the equation 2x - 3y = 18?
y = -3/2x + 6
y = 3/2x - 6
y = -2/3x + 6
y = 2/3x - 6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the plant growth example, what is the initial height of the first plant?
8 inches
6 inches
4 inches
2 inches
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