Problem 1035

Solve the inequality symbolically. Express the solution set in interval notation. -7(z-8)≥4(9-2z)   Solution:-   To solve the inequality, isolate the variable on one side the inequality using the properties…

Problem 986

Polynomial conditions.   a)   If the degree is even and the leading coefficient is positive, the polynomial rises on the left and rises on the right.   b)   If the…

Problem 715

Find   z*w . Leave your answer in simplified polar form. Express all angles in degrees rounded to the nearest tenth.   Solution:-   z * w =2(cos140+i sin 140) * 7(cos65+…

Problem 712

A fire truck is en route to an address that is six blocks east and seven blocks south of the fire station. Using the fire station as the pole and…

Problem 711

Identify the conjugate of the complex number  10 + i   Solution:-   The conjugate of the complex number a + bi is the complex number a – bi  . 10 –…

Problem 706

What is the length of the minor axis of the following graph?     Solution:-   This is an ellipse with a center at (0, 0), vertices at (-5, 0)…