Evaluate each on the calculator
Name______________________________Date______________________Period_____
Determinants and Inverses on the Calculator
Evaluate each on the calculator.
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|1. [pic] |2. [pic]= |3. [pic] |
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|4. [pic] |5. [pic] |6. [pic] |
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Decide whether the matrices are inverses of each other using a calculator. Show the answer matrix.
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|7. [pic] and [pic] |8. [pic] and [pic] |
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|answer: _________ |answer: _________ |
Use a graphing calculator to find the inverse of the matrix.
|9. [pic]= |10. [pic]= |
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|11. [pic]= |12. [pic] = |
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13. Which situation best represents the graph shown below? (SHOW WORK)
A. Jamie is cycling in a triathlon. After the first 3 miles, she begins cycling an average of 12 miles per hour. The function y = 12x + 3 describes y, the distance in miles Jamie has cycled at x, the number of seconds since she started the cycling leg of the triathlon.
B. Tomorrow Felix starts his new job with a computer company. His hourly wage is $15.00. The function y = 15x describes y, the wage Felix will earn for working x hours.
C. Sara tosses a stone into a pond and watches the circular ripples spread outward. The function y = 12x describes y, the radius in inches of the first circular ripple x seconds after the stone hit the surface of the pond.
D. Dave has $30.00 n his savings account. Each month he deposits $15.00 into his savings account. The function y = 15x + 30 describes y, the total savings Dave has after x months
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A 4-6
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A 4-6
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