30 January, 22:41
How many, and what type of, solutions does y=x2-8x+2 have?
2 nonreal solutions
2 rational solutions
1 rational solution
2 irrational solutions
31 January, 00:24
two real, unequal solutions
y=x^2 - 8x + 2 is immediately identifiable as a quadratic equation. Its coefficients are a = 1, b = - 8 and c = 2. Thus, its discriminant is b^2 - 4ac, or, here,
(-8) ^2 - 4 (1) (2) = 64 - 8 = 56
Because the discriminant is positive, this equation has two real, unequal solutions.
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» How many, and what type of, solutions does y=x2-8x+2 have? 2 nonreal solutions 2 rational solutions 1 rational solution 2 irrational solutions