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Algebra Review Math Rules Slope Formulas Solve the Equation 100 100 100 100 200 200 200 200 300 300 300 300 400 400 400 400 500 500 500 500 What is a positive number? A negative number times another negative number What is the slope of a straight line? Rise Run What is the formula for perimeter of a rectangle? p 2l 2w What is x = -1? x 4 5 What is a negative number? A negative number times a negative number times a negative number What is the slope-intercept form of an equation? y mx b What is the formula for volume of a square? V s 3 What is x = 20? x 4 5 What is the mnemonic name used for order of operations? P. E. M. D. A. S. What is the slope of perpendicular lines? Their slopes are negative reciprocals. What is the formula for the area of a circle? 2 A=πr What is x = -3? 2x 6 0 What is the rule for division of fractions? Invert the second fraction and change the division sign to a multiplication sign. What is the slope of a vertical line? m = undefined What is the formula for the area of a trapezoid? 1 A h b1 b2 2 What is x = 15 ? 2x 6 5 What is changing a mixed number to an improper fraction? Multiply the denominator by the whole number and add it to the numerator What is the slope of a horizontal line? m=0 What is the formula for area of a parallelogram? A bh What is x = 4? 1 x7 9 2 Thanks for Playing the Game • If you are interested in more educational games of this kind, please feel free to visit our website at: www.steelcitymath.org