Respond to this Question
Similar Questions

Math
How many real roots does f(x) = x^3+5x+1 have? x^3 = odd polynomial = at least 1 real root Can I follow Descartes' rule for this? No sign change, so there aren't any positive zeros. when I sub in x for x (x)^3+ 5(x) + 1 = 
algebra
Determine the value(s) of k for which x^2+(k2)x2k=0 has equal and real roots. a x^2 + bx + c = 0 has two different roots if the discriminant D defined as: D = b^2  4 a c does not equal zero. If D = 0 then there is one root. 
math
I HAVE THESE ANSWERS FOR THE PROBLEMS. COULD YOU DOUBLE CHECK PLEASE, THIS IS A PRACTICE QUIZ WHICH ISN'T A GRADE IT JUST HELPS ME GET READY FOR THE TEST. 1) a 2) b 3) d 4) a 5) d 1. Solve x^3 + 6x^2 + 13x + 10 = 0. a) –2 + 2i, 
Math Help!!!
1. Which of these numbers can be classified as both real and rational? ½ 1.016879413894 Square root of 5 0.89089908999 2. Which is both a real number and an integer? Square root of 7 0.15 15 1/3 3. Which is an example of an 
math
Could you please solve so I can double check my answers for the practice quiz? Thank You!! 1. Solve x^3 + 6x^2 + 13x + 10 = 0. a) –2 + 2i, –2 –2i, –2 b) 2 + i, 2 – i, –2 c) –2 + i, –2 – i, –2 d) 2 + 2i, 2 – 
mathematics
Use the discriminant to determine the number of real roots the equation has. 3x2 – 5x + 1 =0 A. One real root (a double root) B. Two distinct real roots C. Three real roots D. None (two imaginary roots) 
maths2
Use the discriminant to determine the number of real roots the equation has. 7x2 + 3x + 1 =0 A. One real root (a double root) B. Two distinct real roots C. Three real roots D. None (two imaginary roots) 
math
whate must the value of k 2Xsq+(k3)x+k5=0 has one real root ? Two real root ?no real root? 
math
which of these numbers can be classified as both rational and real? a. 1/2 b. 1.016879413894 c. square root of 5 d. 0.89089908999 which is both a real number and an integer? a. square root of 7 b. 0.15 c. 15 d. 1/3 what is an 
Math
For what value of k does the equation x2 + k = kx – 8 have: Two distinct real roots One real root No real root 
Calculus (increasing/decreasing)
Find the interval(s) where the function is increasing and the interval(s) where it is decreasing. (Enter your answers using interval notation. If the answer cannot be expressed as an interval, enter EMPTY or ∅.) f(x) = (5 −