question

What is the value of the expression when c= -5 and d= 2?
45c + 28d

answer

D. -169

question

Solve the equation
3y+20= 3 + 2y

answer

D. -17

question

-5y - 9 = -(y-1)

answer

B. -2 1/2

question

Is the following inequality sometimes, always, or never true?
2(8x-4) -2x ? 14x + 12

answer

Always true

question

Solve the system by graphing
-3x - y = -10
4x - 4y = 8

answer

(3, 1)

question

Solve the system by substitution
2x + y = -11
3x - 4y = 11

answer

(-3, -5)

question

Solve the system using elimination
2x + 6y = -12
5x - 5y = 10

answer

(0, -2)

question

Which system of inequalities is represented on this graph?

answer

y < x-1
y ? -2x + 2

question

Which graph represents the function y= -2x^2-5?

answer

D. (below -4 and facing down)

question

Solve x^2 - 121 = 0

answer

D. 11, -11

question

Solve by factoring n^2 + 2n - 24 = 0

answer

C. -6, 4

question

Which expression gives the solutions of -5 + 2x^2 = -6x?

answer

C. -6 +- Square root 36 - (4) (2) (-5) / 4

question

How many real solutions are there for 5x^2 + 7x + 2?

answer

C. 2

question

Which expression is a cubic polynomai?

answer

B. x^3 - 1

question

What is the factored form of the polynomial P(x) shown here?

answer

C. P(x) = (x+5) (x+2) (x)

question

Which of the following binomials is a factor of x^3 + 4x^2 + x - 6?

answer

x + 2

question

If a polynomial equation P(x) = 0 has 3 + 4i as a solution, what other solution must it have?

answer

3 - 4i

question

What is the value of f(x) = 2(0.75)^x when x = 3

answer

0.8444

question

What type of situation could be represented by the function f(x) = 2(0.94)^x?

answer

A population declining at a rate of 6%

question

How is the expression log32 - log 8 written as a single logarithm?

answer

log 4

question

What is the value of log5 25?

answer

2

question

Find all the real square roots of -9/16

answer

No real root

question

Find all the real cube roots of -0.000125

answer

-0.05

question

What is a simpler form of the radical expression? Square root 36g^6

answer

6 Ig^3I

question

What is a simpler form of the radical expression? 3 square root 125x^21y^24

answer

5x^7y^8

question

Which of the following is a simpler form of the radical expression? Square root 27x^4/75y^2

answer

3x^2/5y

question

Multiply and simplify if possible
4 square root 11 * 4 square root 10

answer

4 square root 110

question

What is the simplest form of the expression?
3 square root 24a^10b^6

answer

2a^3b^2 3 square root 3a

question

What is the simplest form of the product?
3 square root 4x^2 * 3 square root 8x^7

answer

2x^3 * 3 square root 4

question

What is the simplest form of the quotient?
4 square root 820/ 4 square root 2

answer

3 4 square root 5

question

What is the simplest form of the quotient? Simplify by rationalizing the denominator.
square root 3x^12y^10 / square root 5x^6y^3

answer

x^3y^3 square root 15y / 5

question

What is the simplest form of the radical expression?
4 ^4sqrt2x + 6 ^4sqrt2x

answer

10 ^4sqrt2x

question

A rope is sqrt 250 units long. The rope is cut into two pieces, so that the lengths of the pieces are in the ratio 3:2. What is the length of the longer piece expressed in simplest radical form?

answer

3 sqrt10 units

question

What is the simplest form of the expression?
^3sqrt750 + ^3sqrt2058 - ^3sqrt48

answer

10 ^3sqrt6

question

What is the product of the radical expression?
(7-sqrt7)(-6 + sqrt7)

answer

-49 + 13 sqrt7

question

How can you write the expression with a rationalized denominator?
sqrt3 - sqrt6 / sqrt3 + sqrt6

answer

-3 + 2 sqrt2

question

Simplify the expression 49 1/2

answer

7

question

Simplify the expression (-3)^1/3(-3)^1/3(-3)1/3

answer

-3

question

Write the expression in radical form x^1/5

answer

^5sqrtx

question

Write the expression in radical form t^-3/4

answer

1 / ^4sqrt^3

question

Write the expression in exponential form (^3 sqrt a)^2

answer

a^2/3

question

Find the product sqrt5 * ^3sqrt5

answer

5 5/6

question

Simplify the number 8^2/3

answer

4

question

Simplify the number 15^1.5

answer

64

question

(32)^-4/5

answer

1/16

question

Simplify the number (-32)^6/5

answer

64

question

Find all the real fourth roots of 256/2401

answer

-4/7 and 4/7

question

What is a simpler form of the radial expression? sqrt36g^6

answer

6 Ig^3I

question

A garden has a width sqrt13 and length 7sqrt13. What is the perimeter of the garden in simplest radical form?

answer

16sqrt13 units

question

What is the simplest form of the expression?
sqrt20 + sqrt45 - sqrt5

answer

4 sqrt5

question

Simplify 9^1/3 * 81^1/3

answer

9

question

Write the radical expression 8 / ^7sqrtx^15 in exponential form

answer

8x -15/7

question

Kepler's Third Law of Orbital Motion states that you can approximate the period P (in Earth years) it takes a planet to complete one orbit of the sun using the function P = d^3/2, where d is the distance (in astronomical units, AU) from the planet to the sun. How many Earth years would it take for a planet that is 6.76 AU from the sun?

answer

17.58

question

What is ^3sqrtx^3 / ^5sqrtx^2 in simplest form?

answer

x^3/5

question

3 sqrtx + 3 = 15

answer

16

question

sqrtx+1 = 4

answer

15

question

Sqrt3x+4 = 4

answer

4

question

(x+5)^2/3 = 4

answer

3 and -13

question

Sqrtx+7 - x = 1

answer

2

question

(x-2)^1/2 - (28-2x)^1/4 = 0

answer

6

question

Sqrt3x+1 - Sqrtx+1 = 2

answer

8

question

Sqrt3x = Sqrtx+6

answer

3

question

(5x-4)^1/2 - x = 0

answer

1 , 4

question

Sqrt3x+7 = x-1

answer

6

question

What is the solution of the equation?
Sqrtx+10 - 9 = -7

answer

-6

question

What is the solution of the equation?
4(3-x)^4/3 -5 = 59

answer

-5 , 11

question

The area of a circular trampoline is 108.94 square feet. What is the radius of the trampoline? Round to the nearest hundredth

answer

5.89 feet

question

What is the solution of the equation?
5x = Sqrt10+15x

answer

1

question

What is the solution of Sqrt5x+1 - Sqrtx = 5?

answer

x = 16