Solve the equation:
2x2 - 20 = 78
x = -7, 7
Write in scientific notation.
0.000359
3.59 x 10-4
Solve for y in the following equation:
9 + 4y = 2 (3 - y)
-1/2
14 is 40% of what number?
35
Factor
x2 +5x - 36
(x+9) (x-4)
Tell whether the equation below has zero, one or two solutions.
2y2 + 10y -5 = 3y2 - 30
TWO
Simplify the expression and write your answer using only positive exponents.
(2d5e-2)-3
e^6/(8*d^15)
Solve for the variable in the inequality below:
2 < 6z - 10 < 20
2 < z < 5
What percent of 96 is 12?
12.5%
Factor completely.
4k2 - 12k + 5
(2k-1) (2k-5)
Tell whether a triangle with the following lengths is a right triangle.
16, 30, 34
YES
Simplify the expression. Write your answer using only positive exponents.
((2e)^-4*g^5)/(e^5*g^-3)
g^8/(16e^9)
Solve for the variable in the inequality below:
5/6(12z-24)>2/5(25z-25)
No Solution
Write the sentence as a proportion and then solve for the variable.
g is to 9 as 16 is to 12
g/9=16/12
g = 12
Factor completely.
12y2 - 27
3 (2y-3) (2y+3)
Use quadratic equation to solve for the variable in
4m2 + 8m - 7 = 0
Round to the nearest hundredths.
-2.66 and 0.66
Evaluate the expression and write your answer in proper scientific notation.
(8.5 x 1010) (3.7 x 10-5)
3.145 x 106
Solve for x and y in the system of equation below:
4x - 3y = 39
7y = 4x - 79
x = 9/4
y = -10
Solve for x in the following equation:
8/(2x+12)=6/(x+8
x = -2
Factor the polynomial completely.
8h2k - 32k
8k (h+2) (h-2)
Identify key features (x-int(s), y-int, vertex, aos, domain, range) in the following function:
f(x) = -x2 + 3x +18
x-int(s) = (-3, 0) and (6, 0)
y-int = (0, 18)
vertex =
(3/2, 81/4)
AOS = x = 3/2
Domain = all real numbers
Range = (-inf, 81/4]
Evaluate the expression and answer in standard notation.
(2.4*10^-5)/(6*10^-8)
400
Solve for x in
12|5/6w-4|-4=8
w = 3.6 or w = 6
Solve the proportion:
(4.8-2x)/8=(0.4+x)/10
1.6
Factor the polynomial completely.
2h3 - 3h2 - 18h + 27
(2h-3)(h-3)(h+3)