|
Which of the following is NOT a variable expression? A. 9 - 4y B. 10 - 4(2) C. 2x + 3 D. 2m + 3n Which term describes the expression 73? A. power D. variable C. base B. exponent Evaluate the expression 2x2 when x = 5. B. 40 D. 100 A. 20 C. 50 Which expression has a value of 12? A. 3+3•5-2 C. 7+14÷7•4 B. 18÷6•3+3 D. 22•3-6•2 Evaluate the expression 42-10÷2 B. 13 C. 11 D. 21 A. 3 Translate into mathematical symbols: "the difference of a number and 4 is 10". Let n represent the number. D. 10 - n = 4 B. 4 - n = 10 C. 10 - 4 = n A. n - 4 = 10 Which of the following is the correct translation of "Howard's weekly wage h is $2 greater than Marla's hourly wage m ? D. h > m + 2 A. h < m + 2 C. m = h + 2 B. h = m + 2 |