Chapter 9: Q21. (page 593)
Solve each equation by graphing. If integral roots cannot be found, estimate the roots to the nearest tenth.
Short Answer
The roots of the equation are and .
Chapter 9: Q21. (page 593)
Solve each equation by graphing. If integral roots cannot be found, estimate the roots to the nearest tenth.
The roots of the equation are and .
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Get started for freeREASONING The graph of a quadratic function has a vertex at . One point on the graph is . Find another point on the graph. Explain how you find it.
Determine whether each trinomial is a perfect square trinomial. Write yes or no. If so, factor it.
Solve each equation by graphing. If integral roots cannot be found, estimate the roots to the nearest tenth.
Solve each equation by completing the square. Round to the nearest tenth if necessary.
Record your answers on the answer sheet provided by your teacher or on a sheet of paper.
Use the graph of the quadratic equation shown below to answer each question.
A What is the vertex?
B What is the-intercept?
C What is the axis of symmetry?
D What are the roots of the corresponding quadratic equation?
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