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Duplicate of SAT Prep Math Terms Flashcards | StudBud
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Duplicate of SAT Prep Math Terms
Duplicate of SAT Prep Math Terms
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math formulas needed for SAT Math section
Flashcards
15 cards
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Questions
15
Answers
1
Simplify f(x)= 3x
2
-5x-2
f(x)= 3(5x+2)(x-1)
f(x)= (3x+1)(x-2)
f(x)= (x-2)(3x+1)
f(x)= (5x-3)(3x+2)
2
What is the complex conjugate of the equation a + bi
a - bi
b + ai
b - ai
x + yi
3
Which is the correct quadratic formula
x= -b ± √b2 - 4 (a) (c) / 2(a)
x=b ± √b - 4 (a) (c) / 2(a)
x= (-b ± √b2 - 4 (a) (c)) / 2(a)
x=-b ± √b2 - 4 (a) (c) / 2(c)
4
Which trigonometric identity would you use to solve for x ?
tan(37)
sin(37)
cos(37)
sec(37)
5
If g(x)= 3x
2
+2 and f(x)= (x+1)/x, what is g(f(x))?
g(f(x))= (3x2+3)/(3x2+2)
g(f(x))= 1
g(f(x))= (3x2+5)/x+2
g(f(x))= 3(x+1/x)2+2
6
Zach is driving home at 30mph and is 45 miles away. Form a function to find the time needed.
x=3/2
30=45t
None of the above
0=45-30t
7
Which letter represents the slope in the equation y-y1=m(x-x1) at the point (1,2)
1
y1
m
x
8
What are the factors of the following equation: Y= x
2
+ x - 6
y=(x+2)(x-3)
y=(x-2)(x+3)
y=(x-3)(x-3)
y= (x-2)(x+3)
9
Change this standard form equation to vertex form [ x
2
+4x+6]
y= 2x+4
y= (x+4)2 + 6
y= (x+3)2 + 2
y=(x+2)2 + 2
10
Whats point intercept form
y=mx+b
f(x)=(x-h)2 +k
y=ax2 +bx+c
y=mx-b
11
Which of these strategies could I use to analyze the line with the given endpoints?
the product of cosines
the pythagorean theorem
the distance formula
the quadratic formula
12
What is the Area of a Circle
A=1/3r^3
A=2πr
A= 2πr^2
A=πr^2
13
What is the length of the hypotenuse y when both smaller sides x are equal to 1
y=sinx
y=2√2
y=1
y=√2
14
What is the equation of a circle in standard form?
y+r=h2-k2
r2=(x-h)2+(y-k)2
y-y1=m(r-r1)
y=mx+r
15
Find the measure of angle 5 using the alternate angle theorem if angle 2 is equal to 55 degrees
115 degrees
180 degrees
55 degrees
125 degrees
