1) 3/10 and 6/20 are a) unit rates b) improper fractions c) equivalent ratios 2) 30 miles per hour is a) a unit rate b) too fast to drive on the freeway c) an x coordinate 3) 160 beats in 2 minutes is a) a unit rate b) a rate c) an equation 4) You can solve a proportion like this by using a) quadrants b) complex fractions c) cross products 5) 4/10 = 2/5 is a) a ratio b) a proportion c) a graph 6) If bike shorts are 20% off, that's a) a markup b) a discount c) percent error d) sales tax 7) When you buy a car for $10,000 you have to pay $785 in a) percent error b) percent change c) markup d) sales tax 8) Another word for a tip is a) tax b) gratuity c) markdown d) discount 9) If you put $200 in your savings account, $200 is called the a) principal b) interest c) sales tax d) selling price 10) Anylah owns a skate shop. She buys skate shoes for $40 and sells them for $100. The markup is a) $40 b) $60 c) $100 11) 3x + 9y is a) an equation b) an arithmetic expression c) an algebraic expression 12) Write -5x + 2x + 9 in simplest form a) 3x + 9 b) -3x + 9 c) 6x 13) -9 * 0 = 0 shows the a) additive identity b) multiplicative identity c) multiplicative property of zero 14) 4 * 2 = 2 * 4 shows the a) commutative property b) associative property c) multiplicative identity 15) a(b + c) = ab + ac shows the a) additive identity b) associative property c) distributive property 16) 5 + (3 + 7) = (5 + 3) + 7 shows the a) associative property b) commutative property c) distributive property 17) 5(x + 4) is the factored form of a) 5x + 4 b) 5x + 20 c) 5x + 9 18) In the expression 9y + 7x - 3y, the like terms are a) 9y and 3y b) 9y and 7x c) 9y and -3y 19) In the expression -4x + 3y, the coefficient of y is a) -4 b) -4x c) 3 d) 3y 20) The solution to the equation -9x = 36 is a) x = -4 b) x = 4 c) x = -9 d) x = 36

7th Grade Math Review

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