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MATH 0308 EXAM 2 REVIEW

 

SHORT ANSWER.
Write the word or phrase that best completes each statement or answers the question. Graph the linear equation .

1)

Find the coordinates of the y -intercept and the x-intercept, in that order.

2) 2x + y = -4

Find the x- and y- intercepts . Then graph the equation.

3) -4x - 12y = 12

4) y = -1

List the quadrant(s) in which the given point is located.

5) (-7, 8)

Determine whether the given ordered pair is a solution of the equation.

6) 4x + y = 25; (5, 5)

Graph.

7)

What is the meaning of the expression ?

8)

 

Evaluate.

9) (-13)0

Express using positive exponents . Then simplify .

Multiply and simplify.

11) 58 · 5-2

Divide and simplify .

12)

Simplify.

13) (-4x5y)6

14)

Write the number in scientific notation.

15) 229,000

Convert to decimal notation .

16) 3.232 × 10-5

Evaluate the polynomial .

17) -8x2 - 8x + 9 for x = -2

Identify the terms in the polynomial .

18) 2x4 - 6x2 - 3x - 1 18)

Identify the degree of each term and the degree of the polynomial.

19) 5x - 7x2 + 4 - 7x3

Find the degree of the polynomial.

20) 14x8yz - 6x6y2 + x5yz3

Collect like terms .

21) 3x2y + 6z2y + 4x2y + 9z2y

Identify the missing terms in the polynomial.

22) x3 - 9

Identify the polynomial as a monomial , binomial , trinomial, or none of these. Give its degree.

23) -12c4 + 6c3- 5c2

Add .

24) (-8 + 8x5 + 6x3) + (2x5 - 3x3 - 8)

25) (r + 2s - 2) + (-4r + s) + (s - 3)

Simplify.

26) -(3x2 - 8x + 6)

Subtract .

27) (10x - 5) - (20x + 8)

28) (3x4 + 3x6 + 8 + 2x6) - (-4 - 4x5 + 7x6 + 9x4)

Multiply.

29) (-9x3)(5x4)

30) -9x7(11x - 3)

31) (3x + 11)(x - 3)

32) (7p - 1)(49p2 + 7p + 1)

33) (2m2 + 5m - 3)(m2 - 5m + 5)

34) ( 5p + 1 )( 5p - 1 ) 34)

35) (9m + 1)2

36) (5a - 3)2

Compute each expression and compare .

37) 32 + 12; (3 + 1)2

Divide.

38)

39)

Divide using long division.

40)

 

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