Grade 9 Math Checkup
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1)
Solve for x: 2(3x + 4) - 3(x - 1) = x - 1 x =
2)
What is the slope of the line through the points (4, -7) and (9, 2)?
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3)
The area of a rectangle is 72 square metres. The length of the rectangle is twice the width. Find the width of the rectangle.
metres
4)
Car A leaves at 8:00 a.m. at 40 km/h. Car B leaves 2 hours later at 60 km/h.
How long does it take Car B to catch up to Car A? hours
How long does it take Car B to catch up to Car A? hours
5)
After a 20% discount and 6% tax, a guitar cost $530.00.
What was the original price of the guitar? $
What was the original price of the guitar? $