Algebra Vocabulary
In Algebra, it's an unknown quantity
What is a "Variable"
The area of a rectangle.
What is "A=LW"
49
What is 7 x 7.
18y = 36
What is 2.
Where the line crosses the vertical axis?
What is the y intercept.
This quantity is a value that does not change.
What is a "Constant"
Volume of a Rectangle
What is "V=lwh"
36
What is 6x6 =
-15 = -3y + 15
What is -10.
It the one coordinate point that crosses over the horizontal axis?
What is the X-intercept.
A mathematical phrase with constants, variables, and/or operational symbols.
What is an "Expression".
This formula gives you your sides and a hypotenuse?
What is the Pythagorean Theorem.
144
What is 12 x 12
27y = 3
What is 1/9.
It's the x- intercept for 5y = x + 30
What is -30
A mathematical statement first developed in 1557 by Robert Recorde.
What is an "equal" sign.
To find the volume of a basketball you'd need this formula.
What is "V = 4/3(3.24)the radius cubed.
625
What is 25 x 25
Solve for "Y"
x + 5y = 30
What is 6.
It's the y- intercept for 5y= x +30
What is 6.
Slope Intercept Form
"Y = mx + b"
To find the volume of a canned item, such as a popular soft drink, you'd need this formula?
V=(3.14) radius squared multiplied times height.
5(x-4y + 13)
What is 5x -20y + 65=
"Y" is also known as this type of variable.
What is the "range" or "independent" variable.
The x- and y- intercepts of
5x + 8y = 20
X =
Y =