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The number 1 is not regarded as a prime, and is usually not included in ... Sometimes a student will just list all the divisors of 24: 1, 2, 3, 4, 6, 8, 12, and 24. ... An easy way of keeping track of the factorization is to do upside-down division.
f (x) = x5 – x4 3x3 9x2 – x 5. Descartes' Rule of Signs will not tell me where the polynomial's zeroes are (I'll need to use ... Because of this possibility, I have to count down by two's to find the complete list of the possible number of zeroes.
Use standard-sized paper (8.5" × 11" for North Americans; A4 for others), with no "fringe" running down the side as a result of the paper's having been torn out of ...
... why this expression simplified, in the end, down to "4 3", and not "10 ÷ 2". (If you're not feeling comfortable with all of those "minus" signs, review Negatives.) ...
(It is customary to list these values in numerical order, but it is not required. ... For any point on the y-axis, no matter how high up or low down, I can go from that ...
Don't view the lists of keywords as holy writ, handed down from on high. Instead, use these lists as helpful hints. But always use your head! If you're not sure of ...
Most exponential equations do not solve neatly; there will be no way to convert the bases to being ... And I'll have to use logarithms to bring that variable down.
If a problems says "the ratio of x and y", it means "x divided by y", not "y divided ... to slow down and think a little more about what's going on in the word problem.
This is always true for these up/down projectile motion problems. ... Assuming no winds and that the probe can scurry out of the way in time, how long will it take ...
So I'll draw an "equals" bar under the system, and add down: 2x y = 9 3x – y = ... It's not that how I'm doing it is "the right way"; it was just my choice. You could ...
No matter what kind of equation we're dealing with — linear or otherwise ... by adding 3 to both sides of the equation, and then adding down to simplify to get my ...
The sale price is $41.25. An item that regularly sells for $425 is marked down to $318.75. What is the discount rate? First, I' ...