Homework Help: Precalculus Tests

Q1: This question is worth 5 marks and accounts for 100% of the grade on this test.

3x+7=0.

Solve for x.

 

I know that one:
x=-7/3 right? do i get a 100?

heres another question

solve for x

2sin x + 1 = 0

 

ok search here, look for the thread "free math textbooks" or something, and it doesnt hurt to anwser the questions posted.. but w/e

 

http://www.math.utah.edu/online/1210/Practice_Problems/Diagnostic/diag.pdf" [Broken]

http://www.umanitoba.ca/student/u1/pdf/calculus.pdf" [Broken]

 

What are you talking about? That was a full one.

 

I've downloaded dozens upon dozens of pre-calculus exams and final exams - I use them (and the reputation of their sources) in helping me determine how difficult I want the exams in my own classroom to be (also taking into account the caliber of students that I have during any particular year.)

Google should turn up hundreds for you.

 

2cos(y)=3

Solve for y.

0% for a numerical answer.

 

y=30 degrees