Factor completely.x2 - x - 42
A. (x + 7)(x - 6)
B. (x + 6)(x - 7)
C. (x + 1)(x - 42)
D. Prime
Answer: B
You might also like to view...
Write the exponential expression below in simplest form.
?
A. 
B. 
C. 
D. ?
E. 
Graph the quadratic function. Determine the vertex, find the equation of the axis of symmetry, find any x- and y-intercepts, and state the domain and range in interval notation.f(x) = x2 + 2x - 3
A. vertex: (-1, 4)
axis of symmetry: x = -1
x-intercepts: 1 and - 3; y-intercept: 3
domain: (-?, ?); range: (-?, 4]
B. vertex: (-1, -4)
axis of symmetry: x = -1
x-intercepts: 1 and - 3; y-intercept: -3
domain: (-?, ?); range: [-4, ?]
C. vertex: (1, -4)
axis of symmetry: x = 1
x-intercepts: -1 and 3; y-intercept: -3
domain: (-?, ?); range: [-4, ?]
D. vertex: (1, 4)
axis of symmetry: x = 1
x-intercepts: -1 and 3; y-intercept: 3
domain: (-?, ?); range: (-?, 4]
Add the polynomials.(2y6 - 3y5 + 5y) + (6y6 + 8y5 - 2y)
A. 16y12 B. 8y6 + 5y5 + 3y C. 11y6 + 10y5 - 5y D. 8y + 5y6 + 3y5
Provide an appropriate response.Explain why or when the median is a better average to use than the mean.
What will be an ideal response?