Number Sense
Compare using > or <: |-9| __ - |9|
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Solve: -x + 9 = -4
x = 13
Solve the following system: y = x - 1 and y = -x + 3
(2, 1)
Find the slope of a line that passes through (-9, 5) and (-12, 6)
-1/3
Solve the formula for M: K = 3M - 7
M = (K + 7)/3
M = K/3 + 7/3
-1/3 + 2/9
-1/9
Solve: 3x + 19 = 10
x = -3
Solve the following system: y = -4x - 7 and x + y = 2
(-3, 5)
How do you mathematically know two lines are parallel?
They have the same slope.
Solve the inequality: -2x + 9 - 3x > -1
x < 2
1 and 4/5 minus 2 and 1/3
-8/15
Solve: 4(4 - x) = 3x - 5
x = 3
Solve the following system: 2x - y = 9 and 4x + y =21
(5, 1)
Rewrite the equation from standard form to slope intercept form: x + 5y = 3
y = -1/5x + 3/5
y = -0.2x + 0.6
The sum of one-third of a number and 10 is equal to 13. What is the number?
9
Order from smallest to biggest: 1/4, 0, |-1/2|, -1, |-1|
-1, 0, 1/4, |-1/2|, |-1|
Solve the following for y: -2x + 6y = 4
y = 1/3x + 2/3
Solve the following system: x + 2y = 6 and 3x + 6y = 18
Infinitely many solutions
Write the point slope form of a line with a slope of 3 and passing through the point (-1, 7)
y - 7 = 3(x + 1)
Find the percent of change: $120 to $100
Decrease 16.6...%
2 and 7/8 + (-3/5)
2 and 11/40 (91/40)
Solve: 10 + 6x = 15 + 9x - 3x
No solution
Solve the following system: x = y + 2 and 3x = 6(y + 2)
(-4 ,-6)
Write the equation of the line that passes through (-4, 1) and (4, 3)
y = -1/4x + 4
What is the additive inverse of 2?
-2