Chapter 9: Q36. (page 594)
Solve each equation by completing the square. Round to the nearest tenth if necessary.
Short Answer
Thesolutions of the quadratic equations are.
Chapter 9: Q36. (page 594)
Solve each equation by completing the square. Round to the nearest tenth if necessary.
Thesolutions of the quadratic equations are.
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Write the equation of the axis of symmetry.
MULTIPLE REPRESENTATIONS in this problem, you will investigate solving quadratic equations using tables.
a. ALGEBRAIC Determine the related function for each equation. Copy and complete the table below.
b. GRAPHICAL Graph each related function with a graphing calculator.
c. ANALYTICAL use the table feature on your calculator to determine the zeros of each related function. Record the zeros in the table above. Also, record the values of the function one unit less than and one unit more than each zero.
d. VERBAL Compare the signs of the function values for x values just before and just after a zero. What happens to the sign of the function value before and after a zero?
Determine whether each trinomial is a perfect square trinomial. Write yes or no. If so, factor it.
Graph each function. Find the y-intercept, and state the domain and range.
Graph each function. Find the y-intercept, and state the domain and range.
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