Examine the discriminant of each equation and determine the nature of the roots.x2 + 3x + 4 = 0
A. One real solution
B. Two real solutions
C. No real solutions
Answer: C
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Solve the problem.The hydrogen ion concentration of a substance
is about 2.9 x 10-12 moles per liter. Find the pH. Round to the nearest tenth. Use the formula pH = -log [H+].
A. -12.5 B. 12.5 C. 11.5 D. 11.8
Determine whether the algebraic expression is a polynomial (Yes or No). If it is a polynomial, write the polynomial in standard form, determine the degree and state if it is a monomial, binomial, or trinomial. If it is a polynomial with more than 3 terms, identify the expression as a polynomial.3y6 + 6y2 - 4
A. no B. yes; 6y2 + 3y6 - 4; degree 2; trinomial C. yes; 3y6 + 6y2 - 4; degree 6; trinomial D. yes; 3y6 + 6y2 - 4; degree 2; binomial
Solve.Find an equation of an ellipse with vertices (-8,0) and (8, 0) and eccentricity equal to 
.
What will be an ideal response?
Is the statement 
true or false?
What will be an ideal response?