Math 8: Cumulative Practice: Unit 1-3 | Baamboozle - Baamboozle

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Review of the school year so far, Unit 1-3

Study Slideshow

Two points on a line are (10,55) and (15,82.5). What is the slope of the line?

5.5

1/4(3x+2) = x - 1/3

10/3 or 3 1/3

2.5x + 0.6 = x/2

-0.3

3x+2- 1/4x = 1/2(x-5)

-2

1/5 (2x+1) = 1/2 (4-x)

3x - 3 = 4(x-9)

How many solutions? 4x-2=6x-3

one

How many solutions? 3(3+x)=3x-3

no solution

How many solutions? 9x=7(x-2)+2(x+7)

infinitely many solutions

Solve the system of linear equations: 2x+4y=12 x=y

(2,2)

Solve the system of linear equations:3x-y=4 x+y=9

(3 1/4, 5 3/4)

Solve the system of linear equations:4x-2 = 3y y=3x

(- 2/5, - 1 1/5)

Solve the system of linear equations: 3x + y = 0 x + y= 4

(- 2,6)

Solve the system of linear equations: y=x-2 3y=2x

(6,4)

Leyton buys bags of popcorn and bags of pretzels for a party. A bag of popcorn costs $2. A bag of pretzels costs $3. Leyton spends $24 for 10 bags in all. How many of each does he buy?

6 bags of popcorn, 4 bags of pretzels.

Kacey spends 30 minutes studying for her math and history tests. She spends twice as long studying math as studying history. How much time does she spend on each subject?

20 minutes on math, 10 minutes on history