Math 43

Question 1:

In the proportion below, what is the value of x?

Question 2:

In the standard (x,y) coordinate plane, three corners of a rectangle are (1,-1), (-5,-1), and (1,-5). Where is the rectangle’s fourth corner?

Question 3:

Which of the following is less than 4/5?

Question 4:

In the right triangle above, if BC has a length of 5, how long is AB?

Question 5:

Among the points graphed on the number line below, which is closest to e?
(Note: e = 2.7182818…)

Question 6:

In the (x,y) coordinate plane, what is the slope of the line passing through the origin, that contains the point (2/3, 1/2)?

Question 7:

The number of students that joined the fencing club from December to February was 4 times the amount that joined from March to May. If 12 students joined the fencing club from December to February, and x students joined the club from March to May, which of the following equations is true?

Question 8:

The line y + px = 3, where p is a constant, is graphed in the xy-plane. If the line contains the point (a,b), where a is non-zero and b is non-zero, what is the slope of the line in terms of a and b?