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SAT Math!
SAT Math!
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1
If x-4 is a factor of x
2
+bx-24, where b is a constant, what is the value of b?
6
-6
2
20
2
Find x-y.
6\sqrt{3}-12
12-6\sqrt{2}
4\sqrt{3}
6\sqrt{2}
3
Find x if 2^x+2^x+2^x+2^x=2^9
9
6
7
8
4
Find the approximate diagonal length of the rectangular garden.
142.9 yards
186 yards
257.8 yards
69.3 yards
5
The population of deer has been doubling every 10 years. Which statement is true?
Exponential growth; deer are increasing at a constant amount
Linear function; deer are increasing every 10 years
Exponential growth; deer are increasing by same percentage every 10 years
Quadratic function; growth will not continue
6
In the xy-plane, the parabola with equation y=ax^2+bx+c passes through the point (-1, 2). Which must be true?
a-b+c=2
a+c=2
b-c=2
a+b+c=2
7
If (x,y) is a solution to the equation below and y\ne0, what is the ratio \frac{x}{y}?
-5/2
-3/2
-2/3
-2/5
8
In the polynomial d(x) defined below, m is a constant. If d(x) is divisible by x, what is the value of m?
4
-7
3
7
9
Find the value of a.
1/2
6
4
10
10
If the equation below is graphed in the xy-plane, what is the x-coordinate of the vertex?
-2
9
4.5
-9
11
Which answer below is not equivalent to \sqrt{81x^4y^9}?
(81x^4y^9)^{\frac{1}{2}}
\left(81\right)^{\frac{1}{2}}x^2y^{4.5}
9x^2y^3
9x^2y^4\sqrt{y}
