For the given figure, find the ratio of the length of the longest side to the length of the shortest side. Write the ratio as a fraction in lowest terms.
A = 5
inches C = 5
inchesB = 5
inches D = 5
inches
A.
B.
C.
D.
Answer: B
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Use a grapher to find the vertex or x-intercepts, as indicated, of the quadratic function.Find the vertex of the function f(x) = -0.2x2 + 0.7x - 6.9.
A. (1.75, -7.5125) B. (1.75, -6.2875) C. (1.75, -6.9) D. (-1.75, 6.2875)
Solve.The area of a square is 81 square centimeters. If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area 9 square centimeters less than the area of the square. How much is added and subtracted?
A. 4 cm B. 3 cm C. 9 cm D. 12 cm
Use the given graph of the quadratic function f to write its formula as .
A. f(x) = - (x + 3)2 - 4
B. f(x) = -2(x - 3)2 - 4
C. f(x) = - (x - 3)2 - 4
D. f(x) = -(x - 3)2 - 4
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.-
A. Monomial; variables x, y; coefficient -5; degree 6 B. Monomial; variables x, y; coefficient -5; degree 3 C. Monomial; variables x, y; coefficient -5; degree 9 D. Not a monomial