Get Equations in Standard Form

What is the first step in solving a system of equations by elimination/matrices?

• Get both equations in standard form and line up the like terms.

• Get both equations in slope-intercept form.

• Get both equations equal to zero.

• Put the x terms first.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by matrices.

4x+9y=28

-4x-y=-28

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

Tags

CCSS.HSA.REI.C.9

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by matrices.

7x+y=-9

-3x-y=5

• No solution

• (1,8)

• (-2,-3)

• (-1,-2)

Tags

CCSS.HSA.REI.C.9

What is the equation for standard form?

• y=mx+b

• y-y₁=m(x-x₁)

• Ax+By=C

• rise÷run

The equation written in STANDARD form is (a)   .

• y = 1/2x + 2

• y - 3 = -5(x + 2)

• -7x + 2y = 9

• 3x + 2 = y

What is the formula for standard form?

• y=mx+b

• y-y₁=m(x-x₁)

• Ax+By=C

• rise÷run

What is standard form of a line?

• y = mx + b

• Ax + By = C

• y - y1 = m(x - x1)

• y = Ax + By

What is Standard Form?

• Y = MX +B

• AX + BY = C

• Y = M(X-X₁) + Y₁

Write an equation in standard form given the

x-intercept of 5 and a y-intercept of 5.

Mathematical Equivalence

ON