2017年2月11日 · See the entire simplification process below: To multiply these two terms you multiply each individual term in the left parenthesis by each individual term in the right …

2016年2月10日 · Us the distributive property (of multiplication over addition) to get: #color(white)("XXX")4(x+7) = 4x+28#

2017年6月13日 · x^2-11x+28 We begin by doing something called FOIL in math, or "first, outside, inside, last". It is a mnemonic device to help you remember how to multiply binomials. So lets …

2015年12月30日 · slope = -3/4 y intercept = 7/4 3x + 4y = 7 4y = -3x +7 y =-3/4x + 7/4 comparing with y=mx+c we get, m= slope = -3/4 c = y intercept = 7/4 3x +4y = 7 3/7x + 4/7y = 7/7 ...

2016年8月22日 · x=5 4x+7=27 or 4x=27-7 or 4x=20 or x=20/4 or x=5. Algebra Linear Equations Two-Step Equations and Properties of Equality. 1 Answer

2016年6月30日 · =x^2 +11x +28 Each term in the first bracket must be multiplied by each term in the second bracket This will give 4 terms which can be simplified to give 3 terms.

If 4^x = 7 then 4^(-2x) = 1/49 4^x = 7 4^(-2x) = 1/4^(2x) = 1/[(4^x)^2] = 1/(7)^2 = 1/49. 36148 views around the world . You can reuse this answer Creative Commons License

2016年8月15日 · also #2xx2xx2xx2=2^4" and so on"# #rArr=7xx7xx7xx7xx7=7^5" in exponential form"# The base is the value of the number being multiplied, in this case 7. and the exponent …

2018年4月26日 · There are several ways, but the easiest is probably to start at a point (the y-intercept) and follow the slope. You know that when x = 0, y = -7 (because y = 4(0)-7 = -7, or …

2015年11月14日 · y-intercept: (-7) x-intercept:7/4 The y-intercept is the value of y where the equation's line crosses the Y-axis.