Solving Equations
Solving Equations
4x + 3 = 7
What is:
x = 1
Solving Absolute Value
|6r + 6| = 60
What is:
r = -11 or r = 9
{-11,9}
__________________ indicates the number of times the base is to be used as a factor
exponent
a + b + c = b + a + c
Commutative Property (of Addition)
12 - 3 x 2
6
Solving Equations
4(6 + 5x) = 124
What is:
x = 5
Solving Absolute Value
|10x - 3| = 27
What is:
x = 3 or x = -12/5
{3, -12/5}
in an expression involving multiplication, the quantities being multiplied are called
factors
a + 0 = a
Identity Property (of Addition)
(15+6)/(7-4)
7
Solving Equations
-108 = -8(x + 6) - 4
What is:
x = 7
Solving Absolute Value
|-6 + 3a| = 36
What is:
a = -10 or a = 14
{-10, 14}
the distance any number is away from zero on a number line
absolute value
(A*B) * C = A * (B*C)
Associative property (of Multiplication)
7 x (15 - 9) + 2
44
Solving Equations
-5(8n - 4) - n = - 16 - 5n
What is:
n = 1
Solving Absolute Value
|7n + 1| = 48
What is:
n = -7 or n = 47/7
{-7, (47/7)}
the x-coordinate of the point at which the graph of an equation crosses the x-axis
x-intercept
a * 1=a
Identity Property of Multiplication
2+[(6 - 2)x(8 - 5)]
14
Solving Equations
-15 - 5x = 5(-x - 3)
What is:
True statement, infinite solutions
Solving Absolute Value
|4k + 7| = -11
What is:
No solution
an equation of a line
linear equation
5*6*8=5*8*6
Commutative property (of multiplication)
14 - 3 x 4 + 9
11