Write an expression for "nine less than the quotient of a number and seven."
n/7 - 9
What is the slope of a horizontal line? a vertical line?
zero and undefined
c2 x 5c3
5c5
(3a - 2b + 8) - (9a -2b - 10) = ?
-6a + 18
sqrt(30)
---------
2sqrt(6)
sqrt(5)
------
2
Evaluate
a2 (b + 4 - 2) when b = 5 and a = -2
28
What is the slope of a line that passes through points (-25,27) and (6,3)?
-24/31
5c6d10
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10c7 x 4d9
d
----
8c
What is the axis of symmetry?
y = x2 -4x + 6
x=2
The legs of a right triangle are 1cm and 2cm long. To the nearest hundredth place, what is the length of the hypotenuse?
2.24 cm
-1 - 9c = -82
9
Graph the inequality.
y<5x - 1
show me
Write in Scientific Notation.
0.0000403
4.03 x 10-5
What is the discriminant? How many solutions does this equation have?
-3x2 + 7x + 0 = 0
49 and 2 solutions
Answer in simplest radical form.
-2sqrt(45) + 3sqrt(6) - 3sqrt(24)
-6sqrt(5) - 3sqrt(6)
-2(2x + 8) = 7 - 4x
No Solution!
Solve the system.
3x + 4y = 15
y = -2x - 10
(-11,12)
(8 x 10-5)(5.5 x 103)
4.4 x 104
Factor.
x2 -7x + 6
(x-6)(x-1)
Find the distance between (-4,-6) and (-7,-5). Round your answer to the nearest hundredth.
3.16
-3 + 8r - 11 + 4 = 10r + 3r
r = -2
Solve the system.
3x + 2y = 10
x - 6y = 20
(5,-2.5)
(3a-2bc10)-3
a6
---------
27b3c30
Solve.
x2 -7x = -6
x=1
x=6
Find the perimeter of a triangle that has a hypotenuse of 12 ft and the length of one leg is 10 ft. Answer to the nearest hundredth place.
28.63 ft