Cumulative Exam — Cumulative exam Answers
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41
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What is the solution of ?
A
c = 0 and c = 3B
all real numbersC
all real numbers, except c ¹ 0 and c ¹ 3D
no solution42
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If and , what is X when ?
A
mc006-4.jpg
B
mc006-5.jpg
C
mc006-6.jpg
D
mc006-7.jpg
43
Which graph represents ?
A
On a coordinate plane, a cubic function is shown. It has a point of inflection at x = negative 3 and it crosses the x-axis at x = negative 1.
B
On a coordinate plane, a cubic function is shown. It has a point of inflection at x = negative 3 and it crosses the x-axis at x = negative 5.
C
On a coordinate plane, a cubic function is shown. It has a point of inflection at x = 6 and it crosses the x-axis at x = 7.
D
On a coordinate plane, a cubic function is shown. It has a point of inflection at x = 6 and it crosses the x-axis at x = 5.
45
Which expression is equivalent to ?
A
mc004-2.jpg
B
mc004-3.jpg
C
mc004-4.jpg
D
mc004-5.jpg
46
A diagonal matrix has the elements shown below.Which is the diagonal matrix containing these elements?
A
mc016-2.jpg
B
mc016-3.jpg
C
mc016-4.jpg
D
mc016-5.jpg
47
Which graph represents ?
A
On a coordinate plane, a cubic function has a point of inflection at x = 0 and crosses the x-axis at x = 5.
B
On a coordinate plane, a cubic function has a point of inflection at x = negative 5 and crosses the x-axis at x = 2.
C
On a coordinate plane, a cubic function has a point of inflection at y = negative 5 and crosses the x-axis at y = negative 5.
D
On a coordinate plane, a cubic function has a point of inflection at x = 5 and crosses the x-axis at x = 5.
48
What causes a solution to a rational equation to be an extraneous solution?
A
When there is more than one solution, one of the solutions is extraneous.B
If a solution results in zero when substituted into the denominator of the equation, the solution is extraneous.C
If a solution results in a negative number when substituted into the denominator of the equation, the solution is extraneous.D
When a solution is a fraction, the solution is extraneous.49
The table below represents a function. x12345y612182430 Which statement would best describe the graph of the function?
A
The graph is a straight line that has a slope of 6.B
The graph is a horizontal line at y = 6.C
The graph starts flat but curves steeply upward.D
The graph is a parabola that opens upward.50
Which is a square matrix?
A
mc013-1.jpg
B
mc013-2.jpg
C
mc013-3.jpg
D
mc013-4.jpg
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