WGU C278 - College Algebra PreAssessment, Questions and answers, 100% Accurate.

WGU C278 - College Algebra PreAssessment, Questions and answers, 100% Accurate. Which number is irrational a. 23 b. -√7 c. √121 d. -5 - -b. -√7 Which graph corresponds to the set of real numbers {-4.25, -π, , 2.75}? - -__•|____•|______________________•|__•|____ -4 -3 -2 -1 0 1 2 3 2 3 The following formula F= 9/5C + 32 is used to convert a Celsius ( C) temp to its corresponding Fahrenheit ( F). What is the temp in F if temp is -10 Celsius? a. 14.0 F b. 26.4 F c. 50.0 F d. 37.6 F - -14.0 Fahrenheit (F) 9/5(-10) + 32 Driver A travels west from Boston at a constant speed of 60 mph. Driver B leaves three hours later from Boston and follows Driver A at a constant speed of 72 mph. How many hours take Driver B to catch Driver A? a. 12 hours b. 15 hours c. 18 hours d 20 hours - -72 x 15 hours = 1080 mile