Use the quadratic formula to solve the given equation.9x2 + 5x + 2 = 0
A. {
, 
}
B. {
, 
}
C. {
, 
}
D. {
, 
}
Answer: D
Mathematics
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Graph the parabola whose equation is given. Find the x-intercepts, the y-intercept, and the vertex.y = x2 + 2x - 3
A. x-intercepts: -1 and 3;
y-intercept: 3;
vertex: (1, - 4)
B. x-intercepts: -1 and 3;
y-intercept: -3;
vertex: (1, - 4)
C. x-intercepts: -3 and 1;
y-intercept: -3;
vertex: (- 1, - 4)
D. x-intercepts: 3 and 1;
y-intercept: -3;
vertex: (- 1, - 4)
Mathematics
?Solve for ?y in two ways.
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Indicate whether the function is one-to-one.B = {(-2, 1), (-1, 1), (0, 4), (1, 3)}
A. No B. Yes
Mathematics
Determine the following limit. (Hint: Use the graph to calculate the limit.)
?
?
?
A. 7 B. 1 C. 6 D. 5 E. does not exist
Mathematics