Unit 7, Lesson 17
Changing the Vertex
Algebra 1
Practice
Problem 1
Here is the graph of quadratic function
Andre uses the expression
Noah uses the expression
Do you agree with either of them? Explain your reasoning.
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Here is the graph of quadratic function
Andre uses the expression
Noah uses the expression
Do you agree with either of them? Explain your reasoning.
Here are the graphs of
Three parabolas in x y plane, origin O. X axis negative 10 to 4, by 2’s. Y axis negative 12 to 12, by 4s. First parabola labeled y equals x squared opens upward with vertex at the origin. Second parabola labeled y equals x squared minus 5 opens upward with a vertex at 0 comma negative 5. Third parabola labeled y equals open parenthesis, x plus 2, end parenthesis, squared, minus 8 opens upward with a vertex at negative 2 comma negative 8.
Kiran bought a smoothie every day for a week. Smoothies cost $3 each. The amount of money he spends, in dollars, is a function of the number of days of buying smoothies.