# Search:

Type: Posts; User: nicole

Page 1 of 2 1

1. ## Thread: Distance between two points SAT Subject test Math

by nicole
Replies
2
Views
5,245

### Thank you!!:)

Thank you!!:)
2. ## Thread: Distance between two points SAT Subject test Math

by nicole
Replies
2
Views
5,245

### Distance between two points SAT Subject test Math

Distance between two points in 3-D space. SAT Subject test Math level 2

Which of the following is the distance between the points A(1,2,3) and B(-1,-4,0) ?

(A) 4
(B) 5
(C) 6
(D) 7 ...
3. ## Thread: x-intercepts SAT Subject test Math

by nicole
Replies
2
Views
5,269

### Thanks miranda!:)

Thanks miranda!:)
4. ## Thread: x-intercepts SAT Subject test Math

by nicole
Replies
2
Views
5,269

### x-intercepts SAT Subject test Math

x-intercepts SAT Subject test Math level 2

How many x-intercepts has the graph of f(x)=3x^-x^3+6x^2+5x-2 ?

(A) 0
(B) 1
(C) 2
(D) 3
(E) 4
5. ## Thread: Function SAT Subject test Math

by nicole
Replies
2
Views
2,846

### Thank you!!:D

Thank you!!:D
6. ## Thread: Function SAT Subject test Math

by nicole
Replies
2
Views
2,846

### Function SAT Subject test Math

Function SAT Subject test Math level 2

How many x-intercepts has the graph of f(x)=x^5-3x^3+x^2+9 ?

(A) 0
(B) 1
(C) 2
(D) 3
(E) 4
7. ## Thread: inequality with absolute value

by nicole
Replies
2
Views
2,582

### Thanks Brynlee!!

Thanks Brynlee!!
8. ## Thread: inequality with absolute value

by nicole
Replies
2
Views
2,582

### inequality with absolute value

Which of the following is true given that |x+4|>5?

(A) x>1

(B) -9<x<1

(C) x<-9 \ or \ x>1

(D) x>1 \ or \ x<-9
9. ## Thread: absolute value inequality

by nicole
Replies
2
Views
2,741

### Thanks Brynlee!!

Thanks Brynlee!!
10. ## Thread: absolute value inequality

by nicole
Replies
2
Views
2,741

### absolute value inequality

Which of the following is true given that |x+4|<5?

(A) x<1

(B) -9<x<1

(C) x<-9 \ or \ x>1

(D) x<1 \ or \ x>-9
11. ## Thread: perpendicular lines SAT math

by nicole
Replies
2
Views
2,684

### Thanks Brynlee!!

Thanks Brynlee!!
12. ## Thread: perpendicular lines SAT math

by nicole
Replies
2
Views
2,684

### perpendicular lines SAT math

Which of the following is the equation of the line that is perpendicular to line 2x+3y=9 and passes through the point (1,2)?

(A) y=-\frac{2}{3}x+\frac{1}{2}

(B) y=-\frac{3}{2}x+\frac{1}{2}
...

by nicole
Replies
2
Views
2,642

### Using properties of exponents and logarithms we...

Using properties of exponents and logarithms we have the following

4^a \cdot 4^b =7^{2c} \Rightarrow 4^{a+b}=7^{2c} \Rightarrow

log(4^{a+b})=log(7^{2c})\Rightarrow (a+b)log4=(2c)log7...

by nicole
Replies
2
Views
3,250

### The general formula of a circle is ...

The general formula of a circle is

(x-x_{0})^2+(y-y_{0})^2=r^2, with center (x_{0},y_{0}) and radius r.

The given formula can be rewritten as

(x-1)^2=9-y^2 \Rightarrow (x-1)^2+y^2 =3^2...

by nicole
Replies
2
Views
5,511

### The fastest and most reliable way to answer this...

The fastest and most reliable way to answer this question is by using GDC(Graphic Display Calculator).

All GDCs has a function that calculates the median of a number list.

For example, the...

by nicole
Replies
2
Views
2,499

### We know that sec(x)=\frac{1}{cos(x)}. So, ...

We know that sec(x)=\frac{1}{cos(x)}.

So, sec(x)=\frac{1}{cos(x)}=\frac{5}{2} \Rightarrow cos(x)=\frac{2}{5}

From the following trigonometric identity
(sin(x))^2+(cos(x))^2=1

we can...
17. ## Thread: straight line question

by nicole
Replies
2
Views
2,517

### In order to find the slope of a line we must...

In order to find the slope of a line we must rewrite the equation to slope-intercept form i.e. y=ax+b where a is the slope.

So, the equation can be written as -5y=4-2x \Rightarrow ...
18. ## Thread: Composition of functions

by nicole
Replies
2
Views
2,582

### The composition of these three functions is given...

The composition of these three functions is given by

f(g(h(x)))= f(g(\sqrt{x}))= f((\sqrt{x})^2-2)= f(x-2)= x+2

Therefore the correct answer is (A).

Hope these help!!:)

by nicole
Replies
2
Views
2,877

### In order to find the x-intercepts of this...

In order to find the x-intercepts of this parabola we must set y=0 and then solve the quadratic equation using GDC.

For example, the commands for Casio FX-9860G II to solve a quadratic equation...
20. ## Thread: vertex of parabola

by nicole
Replies
2
Views
2,307

### The vertex form of a parabola with equation...

The vertex form of a parabola with equation y=ax^2+bx+c is given by y=a(x-v)^2+k where the vertex has coordinates (v,k).

Therefore the correct answer is (C).

Hope these help!!:)
21. ## Thread: Newly defined symbol question

by nicole
Replies
2
Views
2,120

### a@a@a= a@(a@a)= a@ ((a+a)^2-a) = a@ (4a^2-a)=...

a@a@a= a@(a@a)= a@ ((a+a)^2-a) = a@ (4a^2-a)= (a+4a^2-a)^2-a

= (4a^2)^2-a=16a^4-a

Therefore the correct answer is (D).

Hope these help!!:)
22. ## Thread: Domain of a function

by nicole
Replies
2
Views
2,917

### The base of a logarithm must be greater than zero...

The base of a logarithm must be greater than zero and different than one.

x-2>0 \ and \ x-2\neq 1 \Rightarrow x>2 \ and \ x\neq 3

The argument of a logarithm must be greater than zero.

...
23. ## Thread: slope of a straight line

by nicole
Replies
2
Views
2,038

### In order to find the slope of a line we must...

In order to find the slope of a line we must rewrite the equation to slope-intercept form i.e. y=ax+b where a is the slope.

So, the equation can be written as -5y=4-2x \Rightarrow ...

by nicole
Replies
2
Views
2,032

### If a

If a<0 and b\geq 0 then ab\leq 0.

So, the value of ab could be equal to zero when b= 0.

Therefore the correct answer is (A).

Hope these help!!;)
25. ## Thread: sat math Functions

by nicole
Replies
2
Views
2,147

### The function is undefined when the value of the...

The function is undefined when the value of the denominator is equal to zero. The roots of the quadratic equation x^2-5x+6 =0 are x=2 \ or \ x=3.

Therefore the correct answer is (A).

Hope...
Results 1 to 25 of 30
Page 1 of 2 1