Find the area of a rectangle whose length and the width are respectively (3x-2)cm and (5x-6) cm. *
A. (15x^2-28x-12) cm^2
B. (15x^2-28x+12) cm^2
C. (15x^2-8x+12) cm^2
D. (15x^2+8x+12) cm^2
Which of the following area of a square if its side is (x+5) m? *
A. (x^2+5x+25)cm^2
B. (x^2+5x+10)cm^2
C. (x^2-10x+25)cm^2
D. (x^2+10x+25)cm^2
What is the value of x in the equation 3x + 2 = 5 *
A. -1
B. 1
C. 2
D. -2
The sum of twice a number and five is nine. What is the number? *
A. 2
B. 3
C. 4
D. 5
Find the difference between x - 2x^2 + 3 and -x^2 + 7x + 1 *
A. - 3x^2 - 8x + 4
A. - 3x^2 - 6x + 2
C. 3x^2 - 8x + 2
D. -x^2 - 6x + 2
Which expression is the additive inverse of -2x+3? *
A. -2x + 3
B. 2x + 3
C. 2x - 3
D. 1/(-2x+3)
Find the difference between 2x^2+3y and x^2 - 2y *
A. x^2 - 5y
C 4^x+7y
C. x^2 + 5y
D. 4x^2 - 3y
If = (t-q)/qr , find s, when t = 240, q = 40 and r = 2.5 *
A. 1
B. 2
C. 3
D. 4
For 28 – 30. Find the value of the following expressions, given that x = 2, y = 6, and z = -4. 28. 2y – 2x *
A. 8
B. 16
C. -16
D. -8
30.y/x - z *
A. 5
B. 6
C. -6
D. 7
29).x(2y + z) *
A. 8
B. 16
C. -16
D. -8
From the expressions (5x – 2) (x – 3), what are the inner terms? *
A. 2x , x
B. 2x , -1
C. -2 , x
D. -2 , -1
Which is the same as x^3 + y^3? *
A. (x + y) (x^2 – xy + y^2)
B. (x + y) (x^2 + xy - y^2)
C. (x - y) (x^2 – xy + y^2)
D. (x - y) (x^2 + xy - y^2)
Which of the following is equivalent to (a + 1)^3? *
B. a^3 + a^2 + a + 3
D. a^3 + 3
C. a^3 + 1
A. a^3 + 3a^2 + 3a + 1
“The square of twice x plus y” is ______________. *
A.(x+y)^2
B. 2x^2 + y
C. 2(x+y)^2
D. (2x+y)^2
Which of the following has four terms? *
A. 3a^2– 2a
B. 2a
C. 2a + 3b - 4c
D. 4x^2y – xy – xy^2 + 4
How many terms does 3x^2+ 2y^3 consist of? *
a. 1
B. 2
C. 3
D. 4
From school, Rosa lives three times as far as Cyndi. If Rosa’s house is 4.726 kilometers away from the school, how far is Cyndi’s house? *
A. 1.25
B. 1.58
C. 12.53
D. 12.83
What is the product of x + 4 and 2x - 3? *
A. 2x^2 + 5x - 12
B. 2x^2 -5x + 12
C. 2x^2 - 11x - 12
D. 2x^2 + 11x +12
5. Find the area of square whose side is (2x-3)cm. *
A. ( 4x^2 -12x - 9)cm^2
B. (- 4x^2 -12x + 9)cm^2
C. ( 4x^2 +12x + 9)cm^2
D. ( 4x^2 -12x + 9)cm^2
Mrs. Cruz Bought an aquarium with the dimensions (2x^3y^2 ) inches, (5xy) inches and 3xy^3 inches. What is the volume of the aquarium? *
A. 30x^5y^5
B. 30x^6y^5
C. 30x^5y^6
D. 30x^6y^6
It is a relation between two algebraic expressions stating that the two expressions are same or equal (=). *
A. Inequality
B. Expression
C. Constant
D. Equation
a + b = 5 is an example of _________. *
A. Algebraic Expression
B. Equation
C. Inequality
D. polynomial
______________ may be a constant, a variable or a product of a constant and a variable separated by + or -. *
0 points
D. Inequality
C. Variables
A. Algebraic Expression
B. Equation
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Answer:
1. Off the top of my head letter B.
2. D.
3. B.
4. C.
Step-by-step explanation:
I could not answer the other questions! Hope it helps.