Which equation can be simplified to find the inverse of y = 2x²?
answer
1/y = 2x²
-y = 2x²
x = 2y²
question
If the domain of the square root function f(x) is x ≤ 7, which statement must be true?
answer
7 is subtracted from the x-term inside the radical.
The radical is multiplied by a negative number.
7 is added to the radical term.
_The x-term inside the radical has a negative coefficient.
question
Which describes how to graph g(x) = ³√x-5 + 7 by transforming the parent function?▫️
answer
Translate the parent function 5 units to the right and 7 units up.
What is the simplified form of the following expression?
7(³√2x) - 3(³√16x) - 3(³√8x)
answer
-5(³√2x)
5(³√x)
³√2x - 6(³√x)
-(³√2x) - 6(³√x)
question
What is the following sum?
5(³√x) + 9(³√x)
answer
14(³√x)
question
Wyatt's eye-level height is 120 ft above sea level, and Shawn's eye-level height is 270 ft above sea level. How much farther can Shawn see to the horizon? Use the formula d = √3h/2, h ≥ 0, with d being the distance they can see in miles and h being their eye-level height in feet.
answer
√5 m 3√5 m 45√5 m
question
Which of the following is a like radical to 3x√5?
answer
x(³√5)
√5y
3(³√5x)
_y√5
question
What is the following sum?
4(⁵√x²y) + 3(⁵√x²y)
answer
7(⁵√x²y)
question
The formula s = √SA/6 gives the length of the side, s, of a cube with a surface area, SA. How much longer is the side of a cube with a surface area of 180 square meters than a cube with the surface area of 120 square meters?
answer
√30 - 2√5 m
question
What is the following difference?
2ab(³√192ab²) - 5(³√81a⁴b⁵)
answer
-3ab(²√3ab²) -7ab(³√3ab²)
question
What is the simplified form of the following expression? Assume a ≥ 0 and c ≥ 0.
14(⁴√a⁵b²c⁴) - 7ac(⁴√ab²)
answer
_7ac(⁴√ab²)
7(⁴√ab²)
-7(⁴√ab²)
-7ac(⁴√ab²)
question
What is the following sum?
4√5 + 2√5
answer
6√5
question
What is the following sum?
√x²y² + 2√x³y⁴ + xy√y
answer
2xy√y + 2xy²√x
question
What is the simplified form of the following expression?
7(³√2x)-3(³√16x)-3(³√8x)
answer
_-5(³√2x)
5(³√x)
³√2x -6(³√x)
question
What is the following sum?
³√125x¹⁰y¹³ + ³√27x¹⁰y¹³
answer
8x³y⁴(³√xy)
question
What is the following product?
³√24 • ³√45▫️
answer
³√69 4(³√6) 6(³√5) _6(³√10)
question
What is the following product?
(√14 - √3)(√12 + √7)
What is the following product?
(x√7 - 3√8)(x√7 - 3√8)
answer
7x² - 12x√14 + 72
question
What is the following product?
√10 • √10
answer
10
question
What is the following product?
√12 • √18
answer
6√6
question
What is the following simplified product? Assume x ≥ 0.
2√8x³(3√10x⁴ - x√5x²)
answer
24x³√5x - 4x³√10x
question
What is the following product? Assume x ≥ 0 and y ≥ 0.
√5x⁸y² • √10x³ • √12y
answer
3x5y√3xy
_10x⁵y√6xy
3x5y√3x²y²
10x⁵y√6x²y²
question
What is the following product?
³√5 • √2
answer
_⁶√10
⁶√200
⁶√500
⁶√100000
question
What is the following product?
⁴√7 • ⁴√7 •⁴√7 •⁴√7
answer
_4(⁴√7) 4√7 7⁴ 7
question
What is the following quotient?
√96/√8▫️
answer
2√3
question
What is the following quotient?
³√60/³√20
answer
³√3
question
What is the following quotient?
√120/√30
answer
2√10
question
Which expression is equivalent to √2/³√2?
answer
⁶√2
question
What is the following quotient?
√6+√11/√5+√3
answer
√30-3√2+√55-√33/2
question
To rationalize the denominator of 2√10/3√11, you should multiply the expression by which fraction?
answer
√11/√11
question
What is the following quotient?
2-√8/4+√12
answer
2-√3-2√2+√6
question
What is the following quotient?
5/√11-√3
answer
5√11+5√3/8
question
What is the following quotient?
3√8/4√6
answer
√3/2
question
Multiplying 3/√17-√2 by which fraction will produce an equivalent fraction with a rational denominator?
answer
√17+√2/√17+√2
question
The formula that relates the length of a ladder, L, that leans against a wall with distance d from the base of the wall and the height h that the ladder reaches up the wall is L = √d²+h². What height on the wall will a 15-foot ladder reach if it is placed 3.5 feet from the base of a wall?▫️
answer
15.4 feet
question
What is the solution of √x²+49 = x+5?
answer
x=12/5
question
Which of the following is an extraneous solution of (45-3x)¹/² = x-9?
answer
x = -12 x = -3 x = 3 _x = 12
question
Which equation can be rewritten as x + 4 = x²? Assume x > 0