What is the line of symmetry for the parabola whose equation is y = -x2 + x + 3? x = -1
x = -1/2
x = 1/2

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?