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- A polygon is graphed on a coordinate grid with (x,y) representing the location of a certain point on the polygon The polygon is transformed using the rule (x,y)arrow (ax,ay) Which statement must be true? F If a is greater than 1, the image of the polygon is congruent to the polygon. G If a is between 0 and 1, the image of the polygon is congruent to the polygon. H If a is greater than 1, the image of the polygon is smaller than the polygon. J If a is between 0 and 1, the image of the polygon is smaller than the polygon.
- The length of a rectangle is 9 feet longer than it is wide. If each side is increased 9 feet, then the area is multiplied by 4 . What was the size of the original rectangle? The width or short side is square feet The length or long side is square feet
- Quadrilateral ABCD is dilated with the origin as the center of dilation using the rule (x,y)arrow (3x,3y) to create quadrilateral A'B'C'D' Which statement is true? (8.3B,55, R(3) A Quadrilateral A'B'C'D' is smaller than quadrilateral ABCD because the scale factor is greater than 1. B Quadrilateral A'B'C'D' is larger than quadrilateral ABCD because the scale factor ¥ is greater than 1. C The angle measures of quadrilateral A'B'C'D' are greater than the angle measures of quadrilateral ABCD because the scale factor is greater than 1. D The angle measures of quadrilateral A'B'C'D' are less than the angle measures of quadrilateral ABCD because the scale factor is greater than 1.
- Evaluate the limit. (Use symbolic notation and fractions where needed. Enter "DNE" if the limit does not exist.) lim _(xarrow -1)(x^2+10x+21)/(x+3)=square
- The limit leads to an indeterminate form. Transform the function algebraically and evaluate the limit using continuity. (Use symbolic notation and fractions where needed. Enter "DNE" if the limit does not exist.) lim _(xarrow 10)(x^2-10))/(x-10)=square (
