ACT 3

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1.
1 point
The ratio of the side lengths of 2 similar triangles is 2:4. The smaller triangle has sides that measure 5 cm, 7 cm and 9, cm. What is the perimeter in cm of the larger triangle?
2.
1 point
A rectangular tabletop is 14 inches wide by 28 inches long. Which of the following is closes to the length, in inches, of the diagonal of the tabletop?
3.
1 point
The legs of a right triangle measure 3 and 4 respectively. What is the length of the hypotenuse?
4.
1 point
The second term of an arithmetic sequence is 14 and the third term is 19. What is the first term?
5.
1 point
What is the distance between (0,6) and ( 3,10)?
6.
1 point
What is the slope of the line represented by 5y - 15x = 5
7.
1 point
Given R(6,3) and S(-2,8), lie in the standard (x,y) plane. What is the slope of the line RS?
8.
1 point
If f(x) = 2x^2 - 3x + 5. Find f(-5)
9.
1 point
If the circumference of a circle is 96 pi. cm. What is the radius of the circle in cm
10.
1 point
In the standard (x,y) plane A(9,-8) is the midpoint of EB. If E has coordinates ( 3,1), what are the coordinates of B?