Math Due in 24 hours
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107-quiz-1.docx
MATH107 QUIZ-1
You can type solutions in MS Word or take a picture of your handwriting. Submit solutions as an attached file in Assignments section. Show steps of solutions. Just right answers without explanation will not be graded with full credit.
1. Find the distance between the points on x-y coordinate system: A(4, 9) and B(-4, 3).
2. Convert: 2a) from scientific notation to decimal form: 8.6·10-4; 2b) from decimal form to scientific notation: 0.0000428;
3. Simplify: 3a) 3b) (4x5y3)(6x-3y7)
4. Simplify:
5. Multiply and simplify:
6. Solve quadratic equation: 6a) x(x + 1) = 20; 6b) x2 – 2x = 15
7. Solve formula for R.
8. Determine whether or not the relation represents y as a function of x. Explain your answer. {(-1,1), (0,0), (1,1), (1,2), (2,3), (3,4), (3,5)}
9. Find domain for the function f(x) =
10. Find for the function: f(x) = x2 – 5x Simplify the answer.
3
–
3
9
6
9
–
2
2
x
x
x
x
x
+
´
+
+
