ACT MATH STUDY GUIDE || A+ Study Blueprint:
Key Concepts & Practice Questions!!
Degrees in triangle correct answers 180
Degrees in circle correct answers 360
Area of triangle correct answers 1/2x base x height
Area of circle correct answers pi x radius to the second power
Circumference of circle correct answers 2 x pi x radius OR pi x diameter
Area of rectangle correct answers Base x height
Area of parallelogram correct answers Base x height
Area of square correct answers side to the second power
Pythagorean Theorem correct answers a to the second power plus b to the second equals c to
the second power. (C=hypotenuse, only true for right triangles)
Slope-intercept form of a line: correct answers y=mx + b
Point slope form of a line: correct answers y - y1 = m (x - x1)
Slope formula [between 2 points (x1,y1) and x2, y2)] correct answers y2 - y1/ x2-x1
Distance Formula [between 2 points (x1, y1) and (x2, y2)] correct answers Square root (x2 -
x1) to the second power + (y2 - y1) to the second power
Midpoint Formula [between 2 points (x1, y1) and (x2, y2)] correct answers (x1 + x2/2, y1 +
y2/2)
Equation of circle: Case 1: If center is (0,0): correct answers x2 + y2 = r2
Equation of circle: Case 2: If center is (h,k): correct answers (x-h)2 + (y-k)2 = r2
Logarithm Formula: log base x = y correct answers b to the y power equals x
sin correct answers opposite/hypotenuse
cos correct answers adjacent/hypotenuse
tan correct answers opposite/adjacent
Volume of a cylinder correct answers pie x radius to the second power x height
Volume of box correct answers V=length x width x height
Key Concepts & Practice Questions!!
Degrees in triangle correct answers 180
Degrees in circle correct answers 360
Area of triangle correct answers 1/2x base x height
Area of circle correct answers pi x radius to the second power
Circumference of circle correct answers 2 x pi x radius OR pi x diameter
Area of rectangle correct answers Base x height
Area of parallelogram correct answers Base x height
Area of square correct answers side to the second power
Pythagorean Theorem correct answers a to the second power plus b to the second equals c to
the second power. (C=hypotenuse, only true for right triangles)
Slope-intercept form of a line: correct answers y=mx + b
Point slope form of a line: correct answers y - y1 = m (x - x1)
Slope formula [between 2 points (x1,y1) and x2, y2)] correct answers y2 - y1/ x2-x1
Distance Formula [between 2 points (x1, y1) and (x2, y2)] correct answers Square root (x2 -
x1) to the second power + (y2 - y1) to the second power
Midpoint Formula [between 2 points (x1, y1) and (x2, y2)] correct answers (x1 + x2/2, y1 +
y2/2)
Equation of circle: Case 1: If center is (0,0): correct answers x2 + y2 = r2
Equation of circle: Case 2: If center is (h,k): correct answers (x-h)2 + (y-k)2 = r2
Logarithm Formula: log base x = y correct answers b to the y power equals x
sin correct answers opposite/hypotenuse
cos correct answers adjacent/hypotenuse
tan correct answers opposite/adjacent
Volume of a cylinder correct answers pie x radius to the second power x height
Volume of box correct answers V=length x width x height
