Fun with Equations
Miscellaneous
Who Knows
Math Rocks
Math Mystery
100
Solve: 4x + 7 = 31
x = 6
100
Algebra: Is this a function: {(1, 2), (2, 3), (2, 4)}
Algebra: No
100
What is the slope intercept form for an equation of a line?
y = mx + b
100
How do you know if two lines are perpendicular (in terms of their slope)?
They are opposite reciprocal (opposite sign and the fraction flips)
100
if f(x) = 2x -4, what if f( -2)
f(-2) = -8
200
Solve: 2(3x - 4) = 34
x = 7
200
Write the equation in point slope form for a line that goes through (3,2) and has a slope of -2
y = -2x + 8
200
What can not repeat in order to be a function?
Domain or the x-values
200
What is the quotient of 2x3 - 18x and x + 3?
2x(x - 3)
200
Algebra: What is the range of {( -3, 2) , ( 3, -2), ( 0, 4), ( 5, 0)}
Algebra: Range {2,-2,4,0}
300
Solve: 3x + 3 - 2x = 21
x = 18
300
Algebra: Solve for a: ax + b = c
Algebra: a = (c - b)/x
300
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.
7x – 4y = 4 x – 4y = 3
neither
300
Solve: (3 - 3x)/7 = 6
x = -13
300
Algebra: what is the zero of the function f(x) = x2-4
Algebra: 2 and -2
400
Solve:
3p - 1 = 5( p - 1) - 2(7 - 2p)
p = 3
400
Simplify: a(b - c) - 2a(c + b)
-1ab - 3ac
400
Simplify: -4(3x - 2) -2(4 + 3x)
-18x
400
Expand (2x – 6)2
4x2 - 24x + 36
400
What are the three types of solutions a system of equations problem can have?
ONE solution, NO solutions, INFINITE solutions
500
Solve: 3/7x + 6 = 9
x = 7
500
What's the range:
Range : [1, infinity) or {1<=y<= infinity}
500
simplify sqrt48
4sqrt3
500
Algebra: Simplify (3x)2 4x3
Algebra:36x5
500
What is the equation of a line that is perpendicular to y = -1/2 x + 3 that goes through point (-2, -3)?
y = 2x + 1