Perform the indicated operations. Express the answer as a single polynomial in standard form.-10x(-2x + 5)
A. -2x2 - 50x
B. 20x2 - 50x
C. 20x2 + 5x
D. -30x2
Answer: B
You might also like to view...
Write the complete factored form of the polynomial f(x).f(x) = 3x4 + 11x3 - 7x2 - 11x + 4
A. f(x) = 3
(x - 1)(x + 1)(x + 4)
B. f(x) = 3
(x - 1)(x + 1)(x - 4)
C. f(x) = 3
(x - 1)(x + 1)(x + 5)
D. f(x) = 
(x - 1)(x + 1)(x + 4)
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: {x|x = 6 or x = -8} range: all real numbers intercept: (-8, 0) symmetry: x-axis B. function domain: all real numbers range: {y|y = 6 or y = -8} intercept: (0, -8) symmetry: none C. function domain: all real numbers range: all real numbers intercept: (0, -8) symmetry: none D. not a function
Find the focus and directrix of the parabola with the given equation.x2 = 16y
A. focus: (4, 0) directrix: y = 4 B. focus: (0, -4) directrix: x = -4 C. focus: (4, 0) directrix: x = 4 D. focus: (0, 4) directrix: y = -4
Find the complementary angle of the following.60
°
A. 119
°
B. 29
°
C. 30°
D. 90°