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ACT Math! Flashcards | StudBud
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ACT Math!
ACT Math!
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1
When dealing with word problems, it helps to:
Write an equation
Guess randomly
Draw pictures
Spend the majority of your time on them
2
To subtract fractions, you should first
Make a reciprocal
First find the greatest common denominator
First find the least common denominator
Subtract the numerators and the denominators
3
To solve for a missing side in similar triangles, you should
Multiply base times height
Use the Pythagorean theorem
Make a proportion
FOIL
4
Two angles that add up to 180 degrees are
Supplementary Angles
Congruent Angles
Right Angles
Complementary angles
5
When multiplying binomials, you should:
SKIP
FOIL
PEMDAS
Factor
6
The total of all integers divided by the number of integers is the:
Mean (Average)
Probability
Mode
Median
7
How many minutes do you have to complete the math section of the ACT?
35 minutes
75 minutes
45 minutes
60 minutes
8
When graphing linear equations, rise over run refers to
Slope
Origin
Y intercept
X intercept
9
Solve for the coordinates y=x
2
+ 5x + 6
0,-3 and 0,-2
-3,0 and -2,0
3,2 and 0,0
5,2 and -6,3
10
To find the length of any side of a right triangle, you can use the:
Pythagorean Theorem
Midpoint Formula
A=b*h
Distance Formula
11
When confronted with a quadratic function, (x
2
+ 8x + 15) you should:
FOIL
Factor
SKIP
PEMDAS
12
For the linear function f(x) = y = 2x + 5, find f(2)
9
-1
12
4
13
Solve Log
x
27=3
2
27
3
9
14
How many questions are on the math section of the ACT?
60 questions
100 questions
45 questions
75 questions
15
When multiplying numbers with exponents, you ___ the exponents:
Divide
Subtract
Add
Multiply
16
With two parallel lines cut by a transversal, which angles are NOT congruent:
Corresponding
Alternate Exterior
Alternate interior
Adjacent
17
To solve for a side on a triangle when you only have an angle and a side, you can use
FOIL
PEMDAS
SKIP
SOHCAHTOA
18
FOIL stands for:
First One Is Last
Find Our Igloo Larry
First Outside Inside Last
Final Outside Inside Left
19
To solve linear equations, use:
PEMDAS
SOHCAHTOA
Do the same thing to both sides
FOIL
20
In y=mx+b, m is the
Origin
Slope
X intercept
Y intercept
21
Solving systems of equations requires you to:
Plug all the answers in and see which one works
FOIL
Eliminate x and y
Replace one variable in an equation with the second equation
