Match each expression to an equivalent expression.
-17 and 5
and
to access Practice Problem Solutions.
Problem 3
Student Task Statement
Is a positive or negative number? Explain your reasoning.
Is a positive or negative number? Explain your reasoning.
Explain the difference between and the solutions to .
to access Practice Problem Solutions.
Problem 4
Student Task Statement
Technology required. For each equation, find the exact solutions by completing the square and the approximate solutions by graphing. Then, verify that the solutions found using the two methods are close.
Two rocks are launched straight up in the air. The height of Rock A is given by the function , where . The height of Rock B is given by , where . In both functions, is time measured in seconds after the rocks are launched, and height is measured in feet above the ground.
