Perform the desired operation. Write the answer in the form a + bi.(6 + 7i)(6 - 7i)
A. 85
B. -13
C. 36 - 49i2
D. 36 - 49i
Answer: A
Mathematics
You might also like to view...
Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 12, v(0) = -15, s(0) = -4
A. s = 6t2 - 15t B. s = 12t2 - 15t - 4 C. s = 6t2 - 15t - 4 D. s = -6t2 + 15t - 4
Mathematics
Write the fraction in simplest form using the method of your choice.
A. 
B. 
C. 
D. 
Mathematics
Simplify.5 ? 18 + 2 ? 15
A. 120 B. 1380 C. 1500 D. 240
Mathematics
Find the x- and y-intercepts. If no x-intercepts exist, state so.y = x2 + 20x + 100
A. (100, 0), (0, 10) B. (10, 0), (0, 100) C. (-10, 0), (0, 100) D. (100, 0), (0, -10)
Mathematics