Chapter 9: Q39. (page 595)
Solve the equation by using the Quadratic formula. Round to the nearest tenth if necessary.
Short Answer
Thesolutions of the quadratic equations are 0.47 and.
Chapter 9: Q39. (page 595)
Solve the equation by using the Quadratic formula. Round to the nearest tenth if necessary.
Thesolutions of the quadratic equations are 0.47 and.
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Get started for freeWrite an expression for the area of the rectangle below.
Find the vertex, the equation of the axis of symmetry, and the -intercept of the given equation.
Use a table of values to graph each equation.
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?
CHALLENGE Using the axis of symmetry and one x-intercept, write an equation for the graph shown.
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