Misc Algebra
The type of test used to determine if something is a function.
What is the Vertical Line Test?
The equivalent expression to -1.5(4m - 6n).
What is -6m + 9n?
The equation to graph a line when m = 1/3 and crosses the y-axis at -2.
What is y = 1/3 x - 2?
The correlation coefficient for:
x - 1, 3, 4, 5, 6, 8, 9, 10
y - 4, 2, 4, 7, 7, 6, 6, 8
What is r = 0.736?
The strength and direction of r = -0.15.
What is weak and negative?
4x - (3x2 + x) + 5 - (2x2 + 1) equals ___.
What is -5x2 + 3x + 4?
The slope of 3x - 4y = -8.
What is 3/4?
The equation for the points (-8, 36) and (2, 11).
What is y = -5/2 x + 16?
The recursive equation when
a3 = 8, a4 = 4, a5 = 0, and a6 = -4.
What is an = 20 - 4n?
The area of a right triangle with L=3x - 1 and W=4x2.
HINT: A = 1/2 (L * W)
What is 6x3 - 2x2?
The transformation described when f(x) = x becomes h(x) = f(x + 5).
What is shifted 5 units to the left?
The equation when x varies directly with y, and y is 75 when x is 3.
What is y = 25x?
The slope intercept form of 4x - 3y = 12.
What is y = 4/3 x - 4?
The width of a rectangle with the area of 6x2 + x - 2 and the length of 3x + 2.
HINT: Area = L * W
What is 2x - 1?
The intersection of:
3x - y = 4 and 6x + 2y = -8.
What is the point (0, -4)?
A parallel line to y = 0.75x + 5 and passes through
(8, 4).
What is y = 0.75x - 2?
Isolate c in the formula m = (a + b + c)/3 .
What is c = 3m -(a + b)?
Alt: c = 3m - a - b
6x + 8x2 + 6 - 5x - 4x2 - x - 42 when simplified and factored.
What is 4(x - 3)(x + 3)?
Alt: (2x - 6)(2x + 6)
The quadrant fully shaded by the system:
x is less than or equal to 5
AND
y is greater than -2
What is quadrant II?
A perpendicular line to y = 0.75x - 3 and pass through
(6, -5).
What is y = -4/3 x + 3?