Use the quadratic formula to find any x-intercepts on the graph of the equation.4x2 = -10x - 1
A. 
B. 
C. 
D. 
Answer: A
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Use Euler's method to find y-values of the solution for the given values of x and ?x, if the curve of the solution passes through the given point. 
= y2(1 - 2x); x = -1 to x = 0.5; ?x = 0.5; (-1, -1)
A. 
B. 
C. 
D. 
The equation of a parabola is given. Determine if the parabola is horizontal or vertical, the way the parabola opens, and the vertex.y = 2(x - 6)2 + 8
A. vertical; opens upward; (6, 8) B. horizontal; opens to right; (8, -6) C. vertical; opens upward; (-6, 8) D. horizontal; opens to right; (8, 6)
The initial investment in a savings account in which interest is compounded continuously is $997. If the time required to double the amount is
years, what is the annual rate? Round your answer to two decimal places.
?
?
A. 9.56 % B. 9.90 % C. 10.46 % D. 8.36 % E. 10.96 %
Use properties of real numbers to calculate the expression mentally.229 + 68
A. 297 B. 298 C. 307 D. 161