MATH 115N-01 – College Algebra – Spring 2023
Instructor:
Midterm Exam
Instructions:
1. This is a take-home test.
2. You are ONLY allowed to use your text book and your class notes posted on the Moodle.
3. Homework or Internet use of any kind OUTSIDE of SUNO Moodle is PROHIBITED.
4. Discussion with each other on problems in the test is prohibited.
5. All work must be done by yourself independently. Help of any kind from other people is not
allowed.
6. show all of your work to get full credit. Manipulations must be shown to get credit for the equations used in your calculation.
7. write your solutions in clear and logical manner.
8. All answers must be hand-written. Using any editing software is prohibited.
9. It is due by March 16th, 2023, Thursday, at 5 p.m. on Moodle.
10. submit the scanned version of exam paper and your work to Moodle as a .pdf file.
11. The following box must be signed and dated and shown on the scanned copy.
12. make sure that your scanned copy is clear.
Write out and sign the Honor Code pledge before turning in the test
“ I pledge my honor that I have not violated the Honor Code during this examination”
Date: _________________ Print Name: ________________ Signature: ____________
Find the value of each exponential expressions
(1)53
(2)(3/4)3
(3)Let set A={-5.3, -5, -1, -1/9,- √𝟑, 0, 0.𝟏̅ , 1.2, 3}. List all the elements of A
that belongs to each set.
Natural numbers :
Whole numbers:
Integers:
Rational numbers:
Irrational numbers:
Real numbers
Use real numbers’ properties to complete each statement
(4)-5(2x-5y+6z) = ________________
(5)6+(-1) = _____________________
(6)2×(79×5) = __________________
Solve each equation.
(7) 6x – 4(x+1) = 2x + 4
(8) T = 2π√𝐿/𝑔, for g
Solve each problem
(9) The perimeter of a triangle is 28 ft. The medium side is 4 ft longer than the
shortest side, while the longest side is twice as long as the shortest side. What are
the lengths of the three sides?
Solve each inequality
(10) 2(x-5)+3x < 4(x-6)+1
(11) -7 < 3x -4 < 8
Find the slope of the line
(12) Through (-3,4) and (2, -8)
(13) y – 2x +4 = 0
Write an equation for the line and give answers in slope-intercept form
(14) through (2,4), m=-1
(15) through (2,3) and (-1,2)
(16) through (3,-2), parallel to 2x-y=5
(17) through (3,-2), perpendicular to 2x-y=5
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