Logarithms
Rewrite 2³=8 in logarithmic form
log₂(8)=3
x+y= total
#x+#y= total (value)
True or False: |x| can equal a negative number.
False
What is a vertex?
The highest or lowest point/Start point of a graph
What is the largest planet in our solar system?
What is Jupiter?
What is the base in log₂(8)=3?
2
Solve 2x+4y=10 and x-y=8
x= 7 and y=-1
True or False: x⁰=0
False
What does ≤ mean?
Less than or equal to
What is the fastest land animal?
What is the cheetah?
Solve log₂(x)=4
x=16
Solve x+y= 20
12x+8y=200
x= 10 and x=10
Solve
3x+15x2-2+7+18x-14x2
x2+21x+5
What does exponent mean?
How many times a number is multiplied by itself
How many bones are in the adult human body?
206
Rewrite log₃(81)=4 in exponential form
34=81
ONLY write the equations
A school is selling tickets for a basketball game. Adult tickets and student tickets were sold. In total, 120 tickets were sold altogether. Adult tickets cost $3 each and student tickets cost $4 each. The total amount of money collected from all ticket sales was $300.
x+y=120 and 3x+4y=300
(6x2+12x−5)−(4x2−3x+8)
2x2+15-13
What are inequalities?
< and >
> and <
What is the largest desert in the world?
What is Antarctica?
(Deserts are defined by dryness, not just sand.)
log2(x−3)+log2(x−1)=3
Hint: Combine the logs first, then change it to exponential form.
x=5
Solve
A school is organizing a field trip to a museum. They sold tickets to students and chaperones. In total, 150 tickets were sold. Student tickets cost $5 each and chaperone tickets cost $8 each. The total amount collected from all ticket sales was $900.
x=100 and y=50
3(3x-4)+5=x+17
X=4
What is a system of equations?
Two or more equations solved together
What country has the most natural lakes in the world?
What is Canada?