Algebraic equations
what is x
78x-256= 958
9
Find one value of x that is a solution to the equation:
(x^2−8)2+x^2−8=20
sqrt 12
-sqrt 12
sqrt 3
-sqrt 3
Solve: (2x + 5)/(x + 4) = 1
- 1
(x - 3)(x + 4)
x² + x - 12
1,600 dollars is placed in an account with an annual interest rate of 5.25%. How much will be in the account after 25 years, to the nearest cent?
5,750.06
what is this equation in standard form
y-7=2/5(x+5)5
-2x+5y= 41
solve −4+x+7x2=0
-10
Solve: 6x - 19 = 3x - 10
x = 3
x² - 5x - 24
(x + 3)(x - 8)
A new car is purchased for 19,900 dollars. The value of the car depreciates at 7.5% per year. What will the value of the car be, to the nearest cent, after 8 years?
10,665.64
what is
499x+256-44= 786
Vertex
where the parabola changes direction; either the max or the min
5 - 2(x - 1) = 4(3 - x) - 2x
x = 5/4
x² - 10x + 25
(x - 5)²
3,600 dollars is placed in an account with an annual interest rate of 9%. How much will be in the account after 25 years, to the nearest cent?
31,043.09
what is
(362x4)+7,018=x
8,466
Axis of Symmetry
a vertical line that splits the graph into 2 identical parts; the x-value of the vertex
(0.4y - 3)/(1.5y + 9) = -7/5
- 96/25
x² - 100
(x - 10)(x + 10)
An element with mass 310 grams decays by 5.7% per minute. How much of the element is remaining after 9 minutes, to the nearest hundredth of a gram?
182.8
what is the slope
y=4x+70
4
-ƒ(x)
a vertical reflection
2(4-y)-3(y+3)=-11
y=2
-9x²+9x+108
-9(x+3)(x-4)
An element with mass 290 grams decays by 13.2% per minute. How much of the element is remaining after 14 minutes, to the nearest 10th of a gram?
40