|
Evaluate the expression, rounding to the nearest hundredth when necessary. ±√.81 ±9 -.9 .9 ±.9 Evaluate the expression, rounding to the nearest hundredth when necessary. √-25 ±5 0 no square roots -5 Evaluate the expression, rounding to the nearest hundredth when necessary. -5 0 -0.15 -0.55 -√.3 Evaluate the expression, rounding to the nearest hundredth when necessary. ±√1.25 1.11 ±1.12 ±1.11 1.2 Evaluate √b2 - 4ac when a = 2, b= -3 and c = 4 4.8 undefined -4.8 5.3 Evaluate √b2 - 4ac when a = 2, b= -2 and c = -2 4.47 -3.46 3.16 undefined Evaluate √b2 - 4ac when a = 5, b= -6 and c = -3 9.4 8.8 9.0 9.8 Evaluate √b2 - 4ac when a = -1, b= -5 and c = -8 -2.6 2.6 Undefined 7.5 Which of the following is an example of a perfect square? 782 576 688 482 |