Use the discriminant to find what type of solutions (two rational, two irrational, one rational, or two nonreal complex) each of the following equations has. Do not solve the equation.x2 + 2x + 6 = 0
A. two rational solutions
B. two nonreal complex solutions
C. one rational solution
D. two irrational solutions
Answer: B
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Solve the problem.A figure and its image under a rotation are given. Which point of the grid is the center of rotation?
A. Q B. S C. P D. R
Provide an appropriate response.The only consecutive whole numbers that are both prime numbers are 
and 
.
A. 2 and 3 B. 1 and 2 C. 0 and 1 D. 6 and 7
Solve the problem.If the three lengths of the sides of a triangle are known, Heron's formula can be used to find its area. If a, b, and c are the three lengths of the sides, Heron's formula for area is: A = 
where s is half the perimeter of the triangle, or s = 
(a + b + c).Use this formula to find the area of the triangle if a = 7 cm, b = 11 cm and c = 14 cm. 
A. 12
sq. cm
B. 3
sq. cm
C. 120
sq. cm
D. 24
sq. cm
Graph the parabola and give its vertex, axis, x-intercepts, and y-intercepts.f(x) = x2 + 10x
A. vertex (5, -25); axis is x = 5;
x-intercepts are 0 and 10; y-intercept is 0
B. vertex (-5, -25); axis is x = -5;
x-intercepts are 0 and - 10; y-intercept is 0
C. vertex (5, 25); axis is x = 5;
no x-intercepts; y intercept is 50
D. vertex (-5, 25); axis is x = -5;
no x-intercepts; y-intercept is 50