Page 136 - Math Course 2 (Book 1)
P. 136
Factoring: Trinomials
Your Turn! Solve a Real World Problem by Factoring
PHOTOGRAPHY
Solve an Equation by Factoring Adina has a 4 x 6 photograph. She wants to
enlarge the photograph by increasing the length
2
Solve x – 20 = x. Check your solution. and width by the same amount. What dimensions
of the enlarged photograph will produce an area
A. {–5, 4} twice the area of the original photograph?
B. {5, 4}
C. {5, –4} A. 6 x –8
D. {–5, –4} B. 6 x 8
C. 8 x 12
D. 12 x 18
Answer Answer
Skill Practice!
Factor each trinomial.
2
2
1. t + 8t + 12 2. n + 7n + 12
2
2
3. p + 9p + 20 4. h + 9h + 18
2
2
5. n + 3n - 18 6. x + 2x – 8
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