Simplify:
(5 + 16) ÷ 7 − 2
1
Solve:
4(x − 3) + 5 = 2x + 7
x = 7
Find the slope:
(1, 2)(3, 4)
m = 1
Solve by Elimination:
−2x − 9y = −25
−4x − 9y = −23
(-1, 3)
Write in Standard Notation:
7.5 x 105
750000
Simplify:
20 ÷ (4 − (10 − 8))
10
-5/6x = 3/4
x = -9/10
Find the equation of the line that goes through:
(3, 3)(4, 6)
y = 3x - 6
Solve by Elimination:
−4x + 9y = 9
x − 3y = −6
(9, 5)
Write in Scientific Notation:
.000034
3.4 x 10-5
Evaluate:
m − n ÷ 4; m = 5, n = 8
-3/4
Solve:
2/4x+3/5 = 1/3x+8/5
x = 6
Find the equation of the line that goes through:
(-1, 4)(-4, -1)
y = 5/3x + 17/3
Solve by Substitution:
x+5y=4
2x-10y=20
(7, -3/5)
Find the Distance:
(-3,4) and (1,-1)
sqrt(41)
Simplify:
5 + 4(2+4) ÷ 2 - 3
14
Solve:
3(x + 1) - [2(3 - 2x) - 3(3 - x)]=2(x + 5) - 4
x = 0
Find the equation of the line that is parallel to
3x + 2y = 12 and goes through (3, -1)
y = -3/2x + 7/2
Solve by Substitution:
x+4y=8
2x-5y=29
(12, -1)
Find the Midpoint:
(1, −9) and (6, −6)
(7/2, -15/2)
Evaluate:
x(y ÷ 3)2; x = 4, y = 9
36
Solve:
6 - 4(6x + 7) >= 122
x <= -6
Find the equation of the line that is perpendicular to -2x + y = -3 and goes through (1/2, 4)
y = -1/2x + 17/4
Find the x- and y-intercepts:
3x - 2y = 8
x-int: (8/3, 0)
y-int: (0, -4)
Use the Pythagorean Theorem:
a = 12, c = 16, find b
b = sqrt(112)