Unit 7: Polynominals & Factoring homework 5: factoring polynominals
1 answer:
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Answer:
Brandon
Step-by-step explanation:
GIVEN: Branden and Pete each play running back. Branden carries the ball times for
yards, and Pete has
carries for
yards.
TO FIND: Who runs farther per carry.
SOLUTION:
Total yards traveled by Brandon
No. of times ball carried by Brandon
Average yards per carry for Brandon
Total yards traveled by Pete
No. of times ball carried by Pete
Average yards per carry for Pete
≅
As the number of yards per carry is higher for Brandon , therefore he runs farther per carry.
9514 1404 393
Answer:
9. ±1, ±2, ±3, ±6
11. ±1, ±2, ±3, ±4, ±6, ±12
Step-by-step explanation:
The possible rational roots are (plus or minus) the divisors of the constant term, divided by the divisors of the leading coefficient.
Here, the leading coefficient is 1 in each case, so the possible rational roots are plus or minus a divisor of the constant term.
__
9. The constant is -6. Divisors of 6 are 1, 2, 3, 6. The possible rational roots are ...
±{1, 2, 3, 6}
__
11. The constant is 12. Divisors of 12 are 1, 2, 3, 4, 6, 12. The possible rational roots are ...
±{1, 2, 3, 4, 6, 12}
_____
A graphing calculator is useful for seeing if any of these values actually are roots of the equation. (The 4th-degree equation will have 2 complex roots.)
