MATH 1201 FINAL EXAM NEWEST PRACTICE EXAM QUESTIONS AND CORRECT ANSWERS | A+ GRADE

MATH 1201 FINAL EXAM NEWEST
PRACTICE EXAM QUESTIONS AND
CORRECT ANSWERS | A+ GRADE 2024-
2025


What are the possible rational roots of f(x) = x4 -7x + 8?
a. {8}
b. {+-1, +-2, +-7, +-8}
c. {+-1, +-2,+-8}
d. {+-1, +-8}
e. {+-1, +-2, +-4, +-8} Correct Answer e. {+-1, +-2, +-4, +-
8}

What is the period of y = 3cos (8x + π/2) + 5?
a. 2π
b. π
c. π/2
d. π/3
e. π/4 Correct Answer e. π/4

What is 2cis(-π/3) in rectangular coordinates?
a. (-1, -sqrt 3)
b. (1, -sqrt 3)
c. (1, sqrt 3)
d. (-1, sqrt 3)
e. Impossible Correct Answer b. (1, -sqrt 3)

Solve the system: x + y + z = 6, 2x - y + z = 3, x + y - z = 0

, a. (0, 0, 6)
b. (3, 2, 1)
c. 1
d. (1, 2, 3)
e. None of these Correct Answer d. (1, 2, 3)

What is the period of y = 3cos ( 4x + π/2) + 5?
a. π/4
b. π/2
c. π
d. 2π
e. -π Correct Answer b. π/2

What is the polar representation of z = -4i?
a. -4cis (-π/4)
b. -4cis (π/4)
c. 4cis (-π/2)
d. 4cis (π)
e. None of these Correct Answer c. 4cis (-π/2)

What is the equation of the line passing through (1, -4)
and parallel to y = -x + 1?
a. -x + y + 3 = 0
b. x - y + 3 = 0
c. x + y - 3 = 0
d. x + y + 3 = 0
e. None of these Correct Answer d. x + y + 3 = 0

What is the exact value of sin (15 degrees)?
a. .380
b. sqrt (2 - sqrt(3)) / 2