For each problem below, use algebra to answer the questions. You may find it helpful to draw and label an appropriate picture to help you get started and verify that your answer is reasonable. (Even if you are quite sure you can answer the question from your picture alone, you must use algebra to justify your answer.) 1. Find the x and y-intercepts of x² -8x+y+7=0. 2. Find the distance between the point (-2,10) and the y-intercept of the curve y=-4x² + 5x+21. 3. Find the distance between the point (12, 14) and the x-intercept of the line 8x + 5y = 40.
For each problem below, use algebra to answer the questions. You may find it helpful to draw and label an appropriate picture to help you get started and verify that your answer is reasonable. (Even if you are quite sure you can answer the question from your picture alone, you must use algebra to justify your answer.) 1. Find the x and y-intercepts of x² -8x+y+7=0. 2. Find the distance between the point (-2,10) and the y-intercept of the curve y=-4x² + 5x+21. 3. Find the distance between the point (12, 14) and the x-intercept of the line 8x + 5y = 40.
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter1: The Six Trigonometric Functions
Section: Chapter Questions
Problem 2GP
Related questions
Question
Transcribed Image Text:9:43
For each problem below, use algebra to answer the questions. You may find
it helpful to draw and label an appropriate picture to help you get started and
verify that your answer is reasonable. (Even if you are quite sure you can
answer the question from your picture alone, you must use algebra to justify
your answer.)
1. Find the x and y-intercepts of x²-8x+y+7=0.
2. Find the distance between the point (-2,10) and the y-intercept of the
curve y=-4x² +5x+21.
3. Find the distance between the point (12, 14) and the x-intercept of the
line 8x + 5y = 40.
4. Determine whether the point (2.1, 1.98) lies on the graph of
x² + y²-4x+6y=12.
5. Find all points with first coordinate 2 that are 5 units from (-1, -3).
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