Factor.4 + 4x + x2
A. (x + 2)(x - 2)
B. (x - 2)2
C. (x + 2)2
D. Not factorable
Answer: C
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Solve the problem.Peter's Construction Company needs to cut an arch for the top of a doorway. The arch needs to be 14 feet wide and 4 feet high. The arch will be a section of a circle, drawn using a stretched string with a pencil attached at the end as a compass. Using the coordinate system as shown in the drawing, find the coordinates of the point that would be the center of the circle. Also find the radius of the circle. Round to the hundredths place.
?a = 7
A. (0, -4.13); 8.13 B. (0, -3.79); 7.79 C. (0, -41.25); 45.25 D. (0, -3.88); 7.88
Translate the verbal rule into a symbolic rule using x as the input variable and y as the output variable.The output is four times the input squared.
A. y = x8 B. y = 4x2 C. y = 8x D. x = 4y2
Solve the equation.6(x + 5) - (6x + 30) = 0
A. {?} B. {all real numbers} C. {5} D. {0}
Use the binomial theorem to expand the binomial.
?
What will be an ideal response?