Simplify the expression.(
+ 
)(
- 
)
A. -2
B. 0
C. 2
D. 64
Answer: A
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Factor out the greatest common factor. Simplify the factors, if possible.48x8y8 - 84x4y5 + 24x6y2
A. x4y2(48x4y6 - 84y3 + 24x2) B. 12x4(4x4y8 - 7y5 + 2x2y2) C. 12x4y2(4x4y6 - 7y3 + 2x2) D. 12(4x8y8 - 7x4y5 + 2x6y2)
The equation has a solution r in the interval indicated. Approximate this solution correct to two decimal places.x4 - x3 - 7x2 + 5x + 10 = 0; -3 ? r ? -2
Fill in the blank(s) with the appropriate word(s).
Write the number in scientific notation.0.000416
A. 4.16 × 104 B. 4.16 × 10-4 C. 4.16 × 10-5 D. 4.16 × 10-3
Fill in the blank with one of the words or phrases listed below. Choices may be used more than once or not at all.
A(n) 
is a point of the graph where the graph crosses the x-axis.
A. x-axis B. y-axis C. x-intercept D. y-intercept