Describe and contrast the following for a circle: radius, diameter, chord, secant line and tangent line. Include sketches.
What will be an ideal response?
The radius of a circle is a segment from the center of the circle to any point on the circle.
A chord is any line segment whose endpoints are on a circle.
A diameter is a chord that goes through the center of a circle.
A secant line is a line that intersects a circle at two points.
A tangent line is a line that intersects a circle at exactly one point.
You might also like to view...
Decide whether the argument is an example of inductive or deductive reasoning.Every coach knows his sport well. John Madden is a football coach. Therefore John Madden knows football well.
A. Deductive B. Inductive
In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer lectures in a school of 900 students?
A. About 324 students B. About 180 students C. About 162 students D. About 18 students
Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -(x + 4)2 B. y = -x2 - 4 C. y = -(x - 4)2 D. y = -x2 + 4
Solve the problem.The list price of a car is $15,319. The manufacturer offers a rebate of $747. What is the final price of the car?
A. $15,966 B. $14,572 C. $16,066 D. $14,472