Algebra L1-5 Quiz v2
By Sam Schneider
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Last updated about 1 year ago
6 Questions
1 point
1
Question 1
1.
Which number line shows the solutions to the inequality -3(2x-4)\leq 18 ? Check your answer!
Which number line shows the solutions to the inequality -3(2x-4)\leq 18 ? Check your answer!
1 point
1
Question 2
2.
Solve the inequality and select the best description of the solution set. Check your answer!
Solve the inequality and select the best description of the solution set. Check your answer!
1 point
1
Question 3
3.
Graph the solution to the inequality on the number line. Check your answer!
Graph the solution to the inequality on the number line. Check your answer!
1 point
1
Question 4
4.
Graph the solution to the inequality on the number line. Check your answer!
Graph the solution to the inequality on the number line. Check your answer!
1 point
1
Question 5
5.
A community of microorganisms is demonstrating a shift in overall composition as the abiotic factors of the immediate area change. The pH of the water in which the organisms live is rising because a nearby stream has started to erode a layer of newly exposed limestone. The shift happens slowly. Organism A, which started off with about 10^9 individuals is dying off faster than it reproduces, so that the population shrinks by about 1000=10^3 individuals for every month of time, m. Meanwhile, Organism B is growing from a population of about 10^4, adding a net growth of 100=10^2 individuals every month.
Write an inequality to determine for how many months the population of A will remain greater than that of B.
A community of microorganisms is demonstrating a shift in overall composition as the abiotic factors of the immediate area change. The pH of the water in which the organisms live is rising because a nearby stream has started to erode a layer of newly exposed limestone. The shift happens slowly. Organism A, which started off with about 10^9 individuals is dying off faster than it reproduces, so that the population shrinks by about 1000=10^3 individuals for every month of time, m. Meanwhile, Organism B is growing from a population of about 10^4, adding a net growth of 100=10^2 individuals every month.
Write an inequality to determine for how many months the population of A will remain greater than that of B.
1 point
1
Question 6
6.
In the scenario above, there will be more of Organism A than Organism B as long as the number of months that has passed is less than what number?
That is, solve your equation from (5) for m<\textrm{answer} . As always, it's smart to check your answer.
Your answer may be approximate.
In the scenario above, there will be more of Organism A than Organism B as long as the number of months that has passed is less than what number?
That is, solve your equation from (5) for m<\textrm{answer} . As always, it's smart to check your answer.
Your answer may be approximate.