math final review
5x^3/ 10x^7 =
1/2x^4
divide: (2x^3 + 9x^2 - 11x - 24) ÷ (x - 2)
2x^3 + 13x^2 + 15x + 6
simplify: 6b + 4a + 3a - 2b
4b +7a
simplify: ^3\sqrt{125x^3 y^6 z^9}
5xy^2 x^3
combine: 10x^4 + 6x + 7y^2 - 4x^4 + 3x + 9x
6x^4 + 7y^2 + 18x
which pair of equations share a solution? a. 5x + 2 = 32 2x + 3 = 8 + x b. 5x + 2 = 32 -3x + 4 = -2(x-5) c. 5x + 2 = 32 x + 2(x - 4) = 34 - 3x d. 5x + 2 = 32 4x + 9 = 5 (14-x) -7
b
(x^2 - 3x + 1) - (x^2 + 2x + 7) a. x-6 b. -x + 8 c. -5x - 6 d. 2x^2- x + 8
c
10^-2/ 10^-4 = a. 10^-6 b. 10^-2 c. 10^2 d. 10^8
c
solve: y= 3x - 5 y= 2x a. (1,-2) b. (1,2) c. (5,10) d. (-5, -10)
c
teri is simplifying the expression 6-2(3+5)^2 which computation should teri do first? a. subtract 2 from 6 b. multiply 2 by 3 c. add 3 and 5 d. multiply 5 times 5
c
what is the solution to the equation? 3y-7 = 2y-0.5 a. y= 0 b. y= 1 c. y= 6.5 d. y= 7.5
c
which is equivalent? 8a^6/ 2a^3 a. 6a^2 b. 6a^3 c. 4a^2 d. 4a^3
c
which is the greatest common factor of the expression below? 32a^3 b^2 + 36a^2 c^2 - 16ab^3 a. 4a^3 b^2 c^3 b. 6abc c. 4a d. 8a^2 b^2
c
which is the solution to the inequality below? 12x > 5(x-2) a. x > -2/7 b. x > -2/7 c. x > -10/7 d. x > -10/7
c
which operation should be performed first to evaluate the expression [ 12-5(4x)^2] ÷ 2 a. 12-5 b. 5(4x) c. (4x)^2 d. (4x)^2 ÷ 2
c
(x + 7) (x - 4) a. 2x + 3 b. x^2 - 28 c. x^2 - 3x -28 d. x^2 + 3x - 28
d
3 |2x + 1| = 45 a. -23, 22 b. -22/3, 22/3 c. -23, 22 d. -8,7
d
simplify: 2y(3x + 5y - 4) a. 5xy + 10y - 8y b. 5xy + 10y^2 + 8y c. 6xy + 10y + 8y d. 6xy + 10y^2 - 8y
d
solve: 4(6x - 10) = 8x + 40 a. 0 b. 5/2 c. 25/8 d. 5
d
which is equivalent? 9x^2 - 16 a. (3x - 4)^2 b. (9x-4)(9x+4) c. (3x-8)(3x+8) d. (3x-4)(3x+4)
d
which is equivalent? 2a^2 + 4 - 5a + 3a^2 - 7? a. 5a^2 - a - 7 b. 5a^4 - a - 7 c. 5a^2 - 5a - 3 d. 5a^4 -5a -3
d
which number equals (2)^-4 a. -8 b. 1/8 c. -1/16 d. 1/16
d
quadratic formula: x^2 + 5x - 24 = 0
(38, 3)
quadratic formula: 3x^2 + 8x + 4 = 0
(4,-4)
simplify: 6(a-2b) + 3(4a + b)
18a - 9b
simplify: (2x^3/ x)^5
32x^10
which expression shows another way to write (4^3)^3?
4^3×3
(squared) 3x-1 = 8 a. 3 b. 17/3 c. 65/3 d. 27
65/3
solve: -x + 7 - 6x = 19 - 7x
null set
solve inequality: -2x ≤ 6
x ≥ -3
which is equivalent? (x^2)^3 a. x^5 b. x^6 c. x^8 d. x^9
b
which of the following is equivalent to 9-3x > 4(2x - 1)? a. 13 < 11x b. 13 > 11x c. 10 > 11x d. 6x > 0
b
(jk)^-5 (jk)^3 = a. (jk)^-2 b. (jk)^-8 c. (2jk)^-2 d. (2jk)^-8
a
(x + 5) (2x - 3) a. 2x^2 + 7x - 15 b. 2x^2 - 7x - 15 c. 3x^2 + 7x - 15 d. 3x^2 - 7x - 15
a
equivalent? (7a^2 + 5a + 3) + (-3a^2 +2a -4) a. 4a^2 + 7a - 1 b. 4a^2 + 7a + 1 c. -4a^2 + 7a - 1 d. -4a^2 + 7a + 1
a
factored form? x^2 + 2x - 8 a. (x-2) (x+4) b. (x+2) (x+4) c. (x-1) (x+8) d. (x+1) (x-8)
a
factored form? x^2 - 16 a. (x-4) (x+4) b. (x-8) (x+8) c. (x-4)(x-4) d. (x-8)(x-8)
a
solve this equation, show your work, and choose the best answer: 5x + 8 = 18 a. x=2 b. x= 5 1/5 c. x=5 d. x=1/2
a
solve: 40h + 100 = 300 a. 5 b. 10 c. 160 d. 240
a
solve: 4h + 32 = 60 a. 7 hours b. 17 hours c. 23 hours d. 28 hours
a
what are the values of x in the equation below? |2x - 3| = 5 a. x= -4 or x=4 b. x = -4 or x = 3 c. x = -1 or x = 4 d. x = -1 or x = 3
a
solve: 7x + 3y = -8 -4x - y = 6 a. (-2,-2) b. (-2,2) c. (2,-2) d. (2,2)
b
what is the value of (3 + 5^2) ÷ 4-(x+1) when x=7? a. -7 b. -1 c. 8 d. 10
b
what is the value of the expression below when x=0 and y=4? 5x + y^2 a. 8 b. 16 c. 21 d. 66
b
what is the value of the expression when x= 2/3? a. 6 b. 7 c. 7 2/3 d. 9 2/3
b
which expression demonstrates the rule used to simplify x^4/ x^-2? a. x^(4-2) b. x^(4--2) c. x^(-2-4) d. x^(2-4)
b
which is equivalent? (-3m^9) (4m^-5) a. -12m^-4 b. -12m^4 c. 4/3m^4 d. -3m^4/ 4
b