marianaescamilla404
25.06.2019 •
Mathematics
What is the slope intercept form of the equation y+5= 4(x+8)
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Ответ:
Step-by-step explanation:
we know that
The equation of the line into slope intercept form is equal to
where
m is the slope
b is the y-intercept
we have
----> equation of the line into point slope form
Convert to slope intercept form
Isolate the variable y
Distributed left side
subtract 5 both sides
Ответ:
D. (-1, 3/2)
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightDistributive Property
Equality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of EqualityAlgebra I
Coordinates (x, y)Solving systems of equations using substitution/eliminationStep-by-step explanation:
Step 1: Define System
4x + 2y = -1
3x + 4y = 3
Step 2: Rewrite System
4x + 2y = -1
[Multiplication Property of Equality] Multiply -2 on both sides: -2(4x + 2y) = 2[Distributive Property] Distribute -2 on both sides: -8x - 4y = 2Step 3: Redefine Systems
-8x - 4y = 2
3x + 4y = 3
Step 4: Solve for x
Combine equations: -5x = 5[Division Property of Equality] Divide -5 on both sides: x = -1Step 5: Solve for y
Substitute in x [Original Equation]: 3(-1) + 4y = 3Multiply: -3 + 4y = 3[Addition Property of Equality] Add 3 on both sides: 4y = 6[Division Property of Equality] Divide 4 on both sides: y = 3/2