Solve the quadratic equation by factoring.x2 - 121 = 0
A. x = 0 or x = -11
B. x = -11
C. x = 11
D. x = -11 or x = 11
Answer: D
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Answer the following statement(s) true (T) or false (F)
In Boaler's (2008) study, Phoenix Park students were more successful than Amber Hill students because Phoenix Park teachers explicitly taught mathematical skills required for projects before students began the projects.
Provide an appropriate response.The formula for electrical power is V = 
, where V is voltage, W is wattage and A is amperage. Find the voltage to the nearest hundredth needed for a circuit of 400 W with a current of 4.1 A.
A. 1,640 volts B. 97.56 volts C. 395.9 volts D. 0.01025 volts
Use your graphing calculator to graph the given function. Then provide an appropriate response.Graph f(x) = log5 x. Determine x when f(x) = 2.75. Round to the nearest tenth if necessary.
A. 27.1 B. 83.6 C. 77.1 D. 55.9
Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
?
A. Estimate: 2; exact: 3.3 B. Estimate: 6; exact: 4.3 C. Estimate: 0.6; exact: 0.43 D. Estimate: 0.2; exact: 4.2