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SAT MATH - Mid Review
SAT MATH - Mid Review
20 terms
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Answers
1
y=x+1/y=x^2+x If \left(x,y\right) is a solution, which of the following could be the value of x?
0
2
-1
3
2
\frac{1}{2}y=4/x-\frac{1}{2}y=2 The system of equation above has solution \left(x,y\right). What is the value of
x
?
4
\frac{7}{2}
3
6
3
The function
f
is defined by f\left(x\right)=4+\sqrt{x}. What is the value of f\left(144\right)?
40
16
0
76
4
x^2-x-1=0 What values satisfy the equation above?
x=-\frac{1}{2},x=\frac{3}{2}
x=1,x=2
x=\frac{1+\sqrt{5}}{2},x=\frac{1-\sqrt{5}}{2}
x=\frac{-1+\sqrt{5}}{2},x=\frac{-1-\sqrt{5}}{2}
5
The minimum value of
x
is 12 less than 6 times another number
n
. Which inequality shows the possible values of
x
?
x\le12-6n
x\le6n-12
x\ge6n-12
x\ge12-6n
6
The function
f
is defined by f\left(x\right)=\frac{1}{6x}. What is the value of f\left(x\right) when x=3?
\frac{1}{9}
\frac{1}{3}
\frac{1}{6}
\frac{1}{18}
7
4a^2+20ab+25b^2 Which of the following is a factor of the polynomial above?
a+b
4a+5b
2a+5b
4a+25b
8
The function
f
is defined by f\left(x\right)=7x-84. What is the x-intercept of the graph of y=f\left(x\right)?
\left(7,0\right)
\left(-12,0\right)
\left(-7,0\right)
\left(12,0\right)
9
The graph of the linear function
f
contains the points \left(0,3\right) and \left(7,31\right). Which equation defines
f?
f\left(x\right)=3x+38
f\left(x\right)=4x+3
f\left(x\right)=7x+3
f\left(x\right)=28x+34
10
At how many points do the graphs of the equation y=x+20 and y=8x intersect in the xy-plane?
8
1
0
2
11
3\left(2x-6\right)-11=4\left(x-3\right)+6 If
x
is the solution to the equation above, what is the value of x-3?
\frac{23}{2}
-\frac{15}{2}
\frac{17}{2}
\frac{15}{2}
12
y=3x/2x+y=12 The solution to the given system of equations is \left(x,y\right). What is the value of 5x?
5
15
24
12
13
How many solutions does the equation 10\left(15x-9\right)=-15\left(6-10x\right) have?
Infinitely many
Zero
Exactly two
Exactly one
14
\left(ax+3\right)\left(5x^2-bx+4\right)=20x^3-9x^2-2x+12 Equation is true,
a
and
b
are constants. What's the value of
ab
?
24
18
20
40
15
If p=3x+4 and v=x+5, which of the following is equivalent to pv-2p+v?
3x^2+19x+20
3x^2+14x+17
3x^2+26x+33
3x^2+12x+7
16
\left(b-2\right)x=8 In the given equation,
b
, is a constant. If the equation has no solution, what is the value of
b
?
4
6
2
10
17
y<-4x+4 Which point \left(x,y\right) is a solution to the given inequality in the xy-plane?
\left(2,-1\right)
\left(-4,0\right)
\left(0,5\right)
\left(2,1\right)
18
Line
t
in the xy-plane has a slope of -\frac{1}{3} and passes through the point (9 , 10). Which equation defines line
t
?
y=13x-\frac{1}{3}
y=-\frac{x}{3}+13
y=-\frac{x}{3}+10
y=9x+10
19
Line
p
is defined by 2y+18x=9. Line
r
is perpendicular to line
p
in the xy-plane. What is the slope of line
r
?
-9
-\frac{1}{9}
\frac{1}{9}
9
20
Which of the following expressions is equivalent to x^2-5?
\left(x-\sqrt{5}\right)^2
\left(x+\sqrt{5}\right)^2
\left(x+5\right)\left(x-1\right)
\left(x+\sqrt{5}\right)\left(x-\sqrt{5}\right)
