Use the discriminant to determine the number and type of solutions for the equation. If the solution(s) are real, state whether they are rational or irrational.w2 + 2w + 4 = 0
A. Two nonreal complex solutions
B. Two irrational solutions
C. Two rational solutions
D. One rational solution
Answer: A
Mathematics
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Evaluate the permutation.
A. 495 B. 19,958,400 C. 3 D. 11,880
Mathematics
Write a formula for a linear function f whose graph satisfies the conditions.Slope: 
; y-intercept: 3
A. f(x) = - 
x + 3
B. f(x) = 
x + 3
C. f(x) = - 
x - 3
D. f(x) = 
x - 3
Mathematics
Find the product or quotient.
? 
A. 
B. 
C. 
D. 
Mathematics
Tell which of the following types of regression is likely to give the most accurate model for the scatter plot shown: linear regression, quadratic regression, cubic regression, exponential regression, sinusoidal regression.
A. Linear regression B. Cubic regression C. Quadratic regression D. Exponential regression E. Sinusoidal regression
Mathematics