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The vertex of this parabola is at -5 -2 When the x-value is -4 the y-value is 2 What is the coefficient of the squared expression in the parabola's equation?
The vertex of this parabola is at -5 -2 When the x-value is -4 the y-value is 2. The coefficient of the squared expression in the parabola's equation is 4. y = a(x - h)2 + k; (h, k) = (-5, -2); (x, y) = (-4, 2) 2 = a[-4 -(-5)]2 - 2, add 2 to both sides 4 = a(-4 +5)2 4 = a(1)2 4 = a
What is a constant in algebra?
A constant is a value that never changes such as 4, 6.5, 3/4, pi, or the square root of 5. This is different from a variable where the value varies like x. In the expression 5x, 5 is a constant and x is a variable.
What is the value of the expression 5X-2y when x equals 9 and y equals 4?
5X - 2Y X = 9 Y = 4 5(9) - 2(4) 45 - 8 37 is the value
What does it mean to find the value of an expression?
(2\5)
How do you write an expression for the sum of 8 and a number multiplied by 4?
(8 + n) * 4 = For example, the two examples below shows the importance of 'Order of Operation': (8 + 5) * 4 = 52 8 + 5 * 4 = 28
What is the value of the expression -x plus 5 when x equals 9?
-4 (-9 +5 = -4)
Which expression has a value of 54?
51 × 14 = 5/4 54
What is a subsitute given value for each variable in an algebraic expression?
Say you have an algebraic expression y = 3x +4 For a given value of x = 5 substitute that number in place of x in the expression, so in this case y = 3(5) + 4 = 19
Which expression below has a value of 5 over 6?
How can we know? You do not list the expressions "below". At a guess, if one of them is 0.8333(recurring) then it is that one.
What ia the value of the expression 13-2x when the value of x is 4?
Just substitute 4 in for X. 13 - 2(4) 13 - 8 = 5 ===
What is the expression of 5 x 4 - 8?
The expression 5 x 4 - 8 simplifies to 12.
The vertex of this parabola is at -5 -2 When the x-value is -4 the y-value is 2 What is the coefficient of the squared expression in the parabola's equation?
The vertex of this parabola is at -5 -2 When the x-value is -4 the y-value is 2. The coefficient of the squared expression in the parabola's equation is 4. y = a(x - h)2 + k; (h, k) = (-5, -2); (x, y) = (-4, 2) 2 = a[-4 -(-5)]2 - 2, add 2 to both sides 4 = a(-4 +5)2 4 = a(1)2 4 = a
How do you use only the number 4 exactly three time to write an expression with a value of 5?
write it 5 times
What is 2x plus 5?
It is 2x + 5. The value of this expression will depend on the value of x: each different value of x will give a different value for the expression.
The vertex of this parabola is at 4 -3 When the x-value is 5 the y-value is -6 What is the coefficient of the squared expression in the parabola's equation?
-3
The vertex of this parabola is at (4 -3). When the x-value is 5 the y-value is -6. What is the coefficient of the squared expression in the parabola's equation?
-3
Evaluate an expression?
Find the value of the expression.
