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SAT Math 1 Formulas

Subjects : sat, math

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Sum of first n terms in arithmetic sequence
N(a1+an/2)
(pi)rl+(pi)r² (l is slant height)
All the numbers by which a number can be divided evenly; 60's factors = 1 -2 -3 -4 -... -30 -60
Degree/360 x area

2. SA of Sphere
Positive
Rate of work x time
4(pi)r²
Original x (1 ± rate)^number of changes

3. indirect variation
y=k/x
Rate x time
1
Positive

4. Area of Circle
(pi)r²
x=-b/2a
Even
Rate x time

5. Factor

6. Volume of Prism
(pi)rl+(pi)r² (l is slant height)
N(a1+an/2)
Bh (B = area of base)
Odd

7. AOS in parabolas
1
Positive
Even
x=-b/2a

8. i³
I
Bh
-i
(4/3)(pi)r³

9. tanx
B^x=N
I
Original x (1 ± rate)^number of changes
Sinx/cosx

10. i
-1
Positive
V-1
y=k/x

11. Volume of Cylinder
2(pi)r
B²-4ac >0 - 2 real roots =0 - 1 real (square) <0 - no real
(pi)r²h
Odd

12. Sector
Distance/rate
Degree/360 x area
B²-4ac >0 - 2 real roots =0 - 1 real (square) <0 - no real
(1/3)(pi)r²h

13. even x odd
Even
Degree/360 x area
N(a1+an/2)
y=a(x-h)²+k

14. Volume of Rectangular Solid
B^x=N
x=-b/2a
Lwh
(amount of change/original) x 100

15. A positive number raised to any power is
An=a1+(n-1)d
I
N(a1+an/2)
Positive

16. SA of Cube
(pi)rl+(pi)r² (l is slant height)
(1/3)Bh (B=area of base)
1
6s²

17. even+odd
Odd
LogA/log1
x²+2xy+y²
Degree/360 x circumference

18. Cube face DIagonal
Sv2
All the numbers that are evenly divisible by the original number; multiples of 6 = 6 -12 -18...
Total distance/total time
An=a1+(n-1)d

19. i¹
6s²
Odd
I
(amount of change/original) x 100

20. sin²x+cos²x
Even
x²+2xy+y²
1
-1

21. even+even
(pi)r²h
Even
Lwh
Odd

22. Average Speed
Total distance/total time
Lwh
Even
x²+2xy+y²

23. Multiples
All the numbers that are evenly divisible by the original number; multiples of 6 = 6 -12 -18...
Degree/360 x area
Sv2
Total distance/total time

24. The nth term in an arithmetic sequence
.5absin?
An=a1+(n-1)d
B^x=N
(pi)r²

25. Triplets
S²v3÷4
3 -4 -5; 6 -8 -10; 5 -12 -13; 8 -17 -15; 7 -24 -25
Degree/360 x circumference
Positive

26. Long Diagonal of Rectangular Solid
B²-4ac >0 - 2 real roots =0 - 1 real (square) <0 - no real
A²+b²+c²=d²
S²v3÷4
V-1

27. Volume of Pyramid
(1/3)Bh (B=area of base)
Sv3
(amount of change/original) x 100
x²+2xy+y²

28. Distance
Rate x time
x=-b/2a
2(pi)r²+2(pi)rh
LogA/log1

29. Equation of Ellipse
-1
All the numbers by which a number can be divided evenly; 60's factors = 1 -2 -3 -4 -... -30 -60
(x - h)² / a² + (y - k)² / b² = 1
Total distance/total time

30. even x even
A²+b²+c²=d²
Even
(pi)rl+(pi)r² (l is slant height)
2(pi)r²+2(pi)rh

31. Sum of Angles in n-sided polygon
Lwh
(n-2)x180°
x=-b/2a
1

32. Repeated Change Formula
LogA/log1
Original x (1 ± rate)^number of changes
2(pi)r²+2(pi)rh
3v8²

33. Distance in 3 Dimensions
Even
V(x2-x1)²+(y2-y1)²+(z2-z1)²
x²+2xy+y²
Degree/360 x area

34. Area of Trapezoid
(1/3)Bh (B=area of base)
4(pi)r²
6s²
[(b1+b2)÷2]h

35. A negative number raised to an odd power is
Negative
LogA/log1
Total distance/total time
2(pi)r²+2(pi)rh

36. 8^(2/3)
4(pi)r²
3v8²
N(a1+an/2)
2lw+2wh+2lh

37. Volume of Cone
6s²
Sinx/cosx
I
(1/3)(pi)r²h

38. Equation of Circle
Positive
(x-h)²+(y-k)²=r²
All the numbers by which a number can be divided evenly; 60's factors = 1 -2 -3 -4 -... -30 -60
2(pi)r²+2(pi)rh

39. even-even
Original x (1 ± rate)^number of changes
N(a1+an/2)
Sinx/cosx
Even

40. odd-odd
Degree/360 x circumference
Even
Rate of work x time
Total distance/total time

41. Volume of Sphere
Bh (B = area of base)
(pi)r²h
S²v3÷4
(4/3)(pi)r³

42. Cube Long Diagonal
(1/3)Bh (B=area of base)
x²+2xy+y²
Sv3
1

43. Area of Triangle
Even
Even
.5absin?
S²v3÷4

44. Standard Parabola
Odd
(x-h)²+(y-k)²=r²
y=a(x-h)²+k
Sinx/cosx

45. SA of Cone
Even
(pi)rl+(pi)r² (l is slant height)
Negative
An=a1+(n-1)d

46. (x+y)²=
Distance/rate
x²+2xy+y²
B^x=N
(pi)r²

47. even-odd
(4/3)(pi)r³
Odd
6s²
3 -4 -5; 6 -8 -10; 5 -12 -13; 8 -17 -15; 7 -24 -25

48. i4
1
3 -4 -5; 6 -8 -10; 5 -12 -13; 8 -17 -15; 7 -24 -25
2(pi)r
x=-b/2a

49. Cirumference
2(pi)r
x=-b/2a
(pi)r²
Even

50. Area of Parallelogram
S²v3÷4
(n-2)x180°
An=a1+(n-1)d
Bh