Kuva2.pngNimi:

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# Tarkastellaan oheista suoraa. ## Kun x = 6, niin mikä on y:n arvo?<br/> ## Kun y = 4, niin mikä on x:n arvo?<br/>Kuva1.png # Sijoita koordinaatistoon pisteet (1, 1) ja (5, 3), ja piirrä niiden kautta suora.<br/>

clear none# Piirrä koordinaatistoon suorat y = 2x ja y = -x + 3.

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Mikä on piirtämiesi suorien leikkauspiste?

_

# Yhdistä suoran yhtälö ja sen kuvaaja. ## y = 2x _ ## x = 3 _ ## y = -x _ ## y = -3x + 3_ ## y = 4 _ ## y = x – 5_

1) 2) 3)

Kuva3.pngKuva4.pngKuva5.png

4) 5) 6)

Kuva6.pngKuva7.pngKuva8.png

# ## Mitkä suorat ovat nousevia?<br/>_ ## Minkä suorien vakiotermi on 4?<br/>_ ## Mitkä suorat kulkevat origon kautta?<br/>_ ## Minkä suorien kulmakerroin on 2?<br/>_ ## Mitkä suorat leikkaavat pisteessä (2, 4)?<br/>_ ## Minkä suoran kulmakerroin on 0?<br/>_

Kuva9.png # Määritä suorien yhtälöt.

Kuva10.png

A: _ B: _

# Määritä suorien kulmakertoimet

Kuva11.pngA: B:

C: __# a. Piirrä suorat x = -4, y = -2 ja y = -x+1<br/>

Kuva12.png

b. Laske suorien rajaaman kuvion pinta-ala.