{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

# Test 1 - Name Math 5 Test 1 Please write neatly and clearly...

This preview shows pages 1–2. Sign up to view the full content.

Name: Math 5: Test 1 February 20, 2012 Please write neatly and clearly. Problems 1-4 are multiple choice, and you do not need to show your work. Problems 5-9 are partial credit; you should show your work and identify your ﬁnal answer. You may use a calculator. However, no cell phones or books may be used. Question: 1 2 3 4 5 6 7 8 9 Total Points: 5 10 20 5 10 20 10 10 10 100 Score: 1. (5 points) I am 30 years older than my daughter. In 12 years from now, I will be 3 times as old as she is. If we let x denote my age and y denote my daughter’s age, which of the following systems of equations would you solve to determine how old my daughter and I are? A. ( x + y = 30 3 x + 12 = y + 12 B. ( y = x + 30 3( x + 12) = y + 12 C. ( x = y + 30 x + 12 = 3( y + 12) D. ( x = y + 30 x - 12 = 3( y - 12) 2. (10 points) Given the matrices A = 1 0 2 0 1 3 0 0 1 , B = ± 3 1 0 0 3 1 ² , C = 1 - 1 0 2 - 2 0 compute the following. (a) CB + 3 A = ? A. Undeﬁned B. ± 3 - 1 - 2 6 ² C. 1 0 0 0 1 0 0 0 1 D.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 6

Test 1 - Name Math 5 Test 1 Please write neatly and clearly...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online