Use the discriminant to determine the nature of the roots of the equation.
?
?
Do not solve the equation.
?
A. not real
B. real
Answer: A
Mathematics
You might also like to view...
Perform the indicated operations.The impedance in an antenna circuit is 393 ( cos 15.4° + j sin 15.4° ) ohms. Write this in rectangular form.
A. 104.1 + 379.0j B. 379.0 - 104.1j C. 104.1 - 379.0j D. 379.0 + 104.1j
Mathematics
Perform the indicated operations and write the result in standard form.(-8 + 
)2
A. 64 + 36i B. 64 - 36i C. 28 - 96i D. 100 + 96i
Mathematics
The graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the question(s).
At what time was the temperature 79°?
A. 12 p.m. B. 2 p.m. C. 1 p.m. D. 6 p.m.
Mathematics
Complete the table for j, k, m, and n. Then chose the correct answer.
Mathematics